Merge remote-tracking branch 'kernelorg/linux-3.0.y' into 3_0_64

Conflicts:
	arch/arm/Kconfig
	arch/arm/include/asm/hwcap.h
	arch/arm/kernel/smp.c
	arch/arm/plat-samsung/adc.c
	drivers/gpu/drm/i915/i915_reg.h
	drivers/gpu/drm/i915/intel_drv.h
	drivers/mmc/core/sd.c
	drivers/net/tun.c
	drivers/net/usb/usbnet.c
	drivers/regulator/max8997.c
	drivers/usb/core/hub.c
	drivers/usb/host/xhci.h
	drivers/usb/serial/qcserial.c
	fs/jbd2/transaction.c
	include/linux/migrate.h
	kernel/sys.c
	kernel/time/timekeeping.c
	lib/genalloc.c
	mm/memory-failure.c
	mm/memory_hotplug.c
	mm/mempolicy.c
	mm/page_alloc.c
	mm/vmalloc.c
	mm/vmscan.c
	mm/vmstat.c
	scripts/Kbuild.include

Change-Id: I91e2d85c07320c7ccfc04cf98a448e89bed6ade6

59 files changed, 548 insertions, 130 deletions

diff --git a/include/asm-generic/mutex-xchg.h b/include/asm-generic/mutex-xchg.h
index 580a6d3..c04e0db 100644
--- a/include/asm-generic/mutex-xchg.h
+++ b/include/asm-generic/mutex-xchg.h
@@ -26,7 +26,13 @@ static inline void
 __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
 	if (unlikely(atomic_xchg(count, 0) != 1))
-		fail_fn(count);
+		/*
+		 * We failed to acquire the lock, so mark it contended
+		 * to ensure that any waiting tasks are woken up by the
+		 * unlock slow path.
+		 */
+		if (likely(atomic_xchg(count, -1) != 1))
+			fail_fn(count);
 }
 
 /**
@@ -43,7 +49,8 @@ static inline int
 __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 {
 	if (unlikely(atomic_xchg(count, 0) != 1))
-		return fail_fn(count);
+		if (likely(atomic_xchg(count, -1) != 1))
+			return fail_fn(count);
 	return 0;
 }
 
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index a03c098..831924a 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -445,6 +445,18 @@ static inline int pmd_write(pmd_t pmd)
 #endif /* __HAVE_ARCH_PMD_WRITE */
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 
+#ifndef pmd_read_atomic
+static inline pmd_t pmd_read_atomic(pmd_t *pmdp)
+{
+	/*
+	 * Depend on compiler for an atomic pmd read. NOTE: this is
+	 * only going to work, if the pmdval_t isn't larger than
+	 * an unsigned long.
+	 */
+	return *pmdp;
+}
+#endif
+
 /*
  * This function is meant to be used by sites walking pagetables with
  * the mmap_sem hold in read mode to protect against MADV_DONTNEED and
@@ -458,11 +470,17 @@ static inline int pmd_write(pmd_t pmd)
  * undefined so behaving like if the pmd was none is safe (because it
  * can return none anyway). The compiler level barrier() is critically
  * important to compute the two checks atomically on the same pmdval.
+ *
+ * For 32bit kernels with a 64bit large pmd_t this automatically takes
+ * care of reading the pmd atomically to avoid SMP race conditions
+ * against pmd_populate() when the mmap_sem is hold for reading by the
+ * caller (a special atomic read not done by "gcc" as in the generic
+ * version above, is also needed when THP is disabled because the page
+ * fault can populate the pmd from under us).
  */
 static inline int pmd_none_or_trans_huge_or_clear_bad(pmd_t *pmd)
 {
-	/* depend on compiler for an atomic pmd read */
-	pmd_t pmdval = *pmd;
+	pmd_t pmdval = pmd_read_atomic(pmd);
 	/*
 	 * The barrier will stabilize the pmdval in a register or on
 	 * the stack so that it will stop changing under the code.
diff --git a/include/asm-generic/statfs.h b/include/asm-generic/statfs.h
index 0fd28e0..c749af9 100644
--- a/include/asm-generic/statfs.h
+++ b/include/asm-generic/statfs.h
@@ -15,7 +15,7 @@ typedef __kernel_fsid_t	fsid_t;
  * with a 10' pole.
  */
 #ifndef __statfs_word
-#if BITS_PER_LONG == 64
+#if __BITS_PER_LONG == 64
 #define __statfs_word long
 #else
 #define __statfs_word __u32
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index e58fa77..34e0274 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -78,6 +78,14 @@ struct mmu_gather_batch {
 #define MAX_GATHER_BATCH	\
 	((PAGE_SIZE - sizeof(struct mmu_gather_batch)) / sizeof(void *))
 
+/*
+ * Limit the maximum number of mmu_gather batches to reduce a risk of soft
+ * lockups for non-preemptible kernels on huge machines when a lot of memory
+ * is zapped during unmapping.
+ * 10K pages freed at once should be safe even without a preemption point.
+ */
+#define MAX_GATHER_BATCH_COUNT	(10000UL/MAX_GATHER_BATCH)
+
 /* struct mmu_gather is an opaque type used by the mm code for passing around
  * any data needed by arch specific code for tlb_remove_page.
  */
@@ -94,6 +102,7 @@ struct mmu_gather {
 	struct mmu_gather_batch *active;
 	struct mmu_gather_batch	local;
 	struct page		*__pages[MMU_GATHER_BUNDLE];
+	unsigned int		batch_count;
 };
 
 #define HAVE_GENERIC_MMU_GATHER
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 14b6cd0..4306811 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -181,6 +181,7 @@
 	{0x1002, 0x6747, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6748, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6749, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x674A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6751, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
@@ -198,6 +199,7 @@
 	{0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6771, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 8845613..384e37f 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -126,6 +126,7 @@ extern int setup_arg_pages(struct linux_binprm * bprm,
 			   unsigned long stack_top,
 			   int executable_stack);
 extern int bprm_mm_init(struct linux_binprm *bprm);
+extern int bprm_change_interp(char *interp, struct linux_binprm *bprm);
 extern int copy_strings_kernel(int argc, const char *const *argv,
 			       struct linux_binprm *bprm);
 extern int prepare_bprm_creds(struct linux_binprm *bprm);
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 59e4028..3fd17c2 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -50,6 +50,11 @@
 # define inline		inline		__attribute__((always_inline))
 # define __inline__	__inline__	__attribute__((always_inline))
 # define __inline	__inline	__attribute__((always_inline))
+#else
+/* A lot of inline functions can cause havoc with function tracing */
+# define inline		inline		notrace
+# define __inline__	__inline__	notrace
+# define __inline	__inline	notrace
 #endif
 
 #define __deprecated			__attribute__((deprecated))
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 97f1ca7..111797a 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -66,8 +66,9 @@ enum {
 	/* migration should happen before other stuff but after perf */
 	CPU_PRI_PERF		= 20,
 	CPU_PRI_MIGRATION	= 10,
-	/* prepare workqueues for other notifiers */
-	CPU_PRI_WORKQUEUE	= 5,
+	/* bring up workqueues before normal notifiers and down after */
+	CPU_PRI_WORKQUEUE_UP	= 5,
+	CPU_PRI_WORKQUEUE_DOWN	= -5,
 };
 
 #ifdef CONFIG_SMP
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index e9eaec5..7a7e5fd 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -89,42 +89,33 @@ extern void rebuild_sched_domains(void);
 extern void cpuset_print_task_mems_allowed(struct task_struct *p);
 
 /*
- * reading current mems_allowed and mempolicy in the fastpath must protected
- * by get_mems_allowed()
+ * get_mems_allowed is required when making decisions involving mems_allowed
+ * such as during page allocation. mems_allowed can be updated in parallel
+ * and depending on the new value an operation can fail potentially causing
+ * process failure. A retry loop with get_mems_allowed and put_mems_allowed
+ * prevents these artificial failures.
  */
-static inline void get_mems_allowed(void)
+static inline unsigned int get_mems_allowed(void)
 {
-	current->mems_allowed_change_disable++;
-
-	/*
-	 * ensure that reading mems_allowed and mempolicy happens after the
-	 * update of ->mems_allowed_change_disable.
-	 *
-	 * the write-side task finds ->mems_allowed_change_disable is not 0,
-	 * and knows the read-side task is reading mems_allowed or mempolicy,
-	 * so it will clear old bits lazily.
-	 */
-	smp_mb();
+	return read_seqcount_begin(&current->mems_allowed_seq);
 }
 
-static inline void put_mems_allowed(void)
+/*
+ * If this returns false, the operation that took place after get_mems_allowed
+ * may have failed. It is up to the caller to retry the operation if
+ * appropriate.
+ */
+static inline bool put_mems_allowed(unsigned int seq)
 {
-	/*
-	 * ensure that reading mems_allowed and mempolicy before reducing
-	 * mems_allowed_change_disable.
-	 *
-	 * the write-side task will know that the read-side task is still
-	 * reading mems_allowed or mempolicy, don't clears old bits in the
-	 * nodemask.
-	 */
-	smp_mb();
-	--ACCESS_ONCE(current->mems_allowed_change_disable);
+	return !read_seqcount_retry(&current->mems_allowed_seq, seq);
 }
 
 static inline void set_mems_allowed(nodemask_t nodemask)
 {
 	task_lock(current);
+	write_seqcount_begin(&current->mems_allowed_seq);
 	current->mems_allowed = nodemask;
+	write_seqcount_end(&current->mems_allowed_seq);
 	task_unlock(current);
 }
 
@@ -234,12 +225,14 @@ static inline void set_mems_allowed(nodemask_t nodemask)
 {
 }
 
-static inline void get_mems_allowed(void)
+static inline unsigned int get_mems_allowed(void)
 {
+	return 0;
 }
 
-static inline void put_mems_allowed(void)
+static inline bool put_mems_allowed(unsigned int seq)
 {
+	return true;
 }
 
 #endif /* !CONFIG_CPUSETS */
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index f13bb6d..7d6a6b8 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -220,6 +220,8 @@ struct dentry_operations {
 #define DCACHE_MANAGED_DENTRY \
 	(DCACHE_MOUNTED|DCACHE_NEED_AUTOMOUNT|DCACHE_MANAGE_TRANSIT)
 
+#define DCACHE_DENTRY_KILLED	0x100000
+
 extern seqlock_t rename_lock;
 
 static inline int dname_external(struct dentry *dentry)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index d8ecb01..212ea7b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -523,6 +523,7 @@ enum positive_aop_returns {
 struct page;
 struct address_space;
 struct writeback_control;
+enum migrate_mode;
 
 struct iov_iter {
 	const struct iovec *iov;
@@ -607,9 +608,12 @@ struct address_space_operations {
 			loff_t offset, unsigned long nr_segs);
 	int (*get_xip_mem)(struct address_space *, pgoff_t, int,
 						void **, unsigned long *);
-	/* migrate the contents of a page to the specified target */
+	/*
+	 * migrate the contents of a page to the specified target. If sync
+	 * is false, it must not block.
+	 */
 	int (*migratepage) (struct address_space *,
-			struct page *, struct page *);
+			struct page *, struct page *, enum migrate_mode);
 	int (*launder_page) (struct page *);
 	int (*is_partially_uptodate) (struct page *, read_descriptor_t *,
 					unsigned long);
@@ -2029,6 +2033,7 @@ extern void unregister_blkdev(unsigned int, const char *);
 extern struct block_device *bdget(dev_t);
 extern struct block_device *bdgrab(struct block_device *bdev);
 extern void bd_set_size(struct block_device *, loff_t size);
+extern sector_t blkdev_max_block(struct block_device *bdev);
 extern void bd_forget(struct inode *inode);
 extern void bdput(struct block_device *);
 extern void invalidate_bdev(struct block_device *);
@@ -2477,7 +2482,8 @@ extern int generic_check_addressable(unsigned, u64);
 
 #ifdef CONFIG_MIGRATION
 extern int buffer_migrate_page(struct address_space *,
-				struct page *, struct page *);
+				struct page *, struct page *,
+				enum migrate_mode);
 #else
 #define buffer_migrate_page NULL
 #endif
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 48e2b36..0885237 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -228,12 +228,6 @@ static inline void part_pack_uuid(const u8 *uuid_str, u8 *to)
 	}
 }
 
-static inline char *part_unpack_uuid(const u8 *uuid, char *out)
-{
-	sprintf(out, "%pU", uuid);
-	return out;
-}
-
 static inline int disk_max_parts(struct gendisk *disk)
 {
 	if (disk->flags & GENHD_FL_EXT_DEVT)
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index fd0dc30..cc07d27 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -165,6 +165,7 @@ enum  hrtimer_base_type {
  * @lock:		lock protecting the base and associated clock bases
  *			and timers
  * @active_bases:	Bitfield to mark bases with active timers
+ * @clock_was_set:	Indicates that clock was set from irq context.
  * @expires_next:	absolute time of the next event which was scheduled
  *			via clock_set_next_event()
  * @hres_active:	State of high resolution mode
@@ -177,7 +178,8 @@ enum  hrtimer_base_type {
  */
 struct hrtimer_cpu_base {
 	raw_spinlock_t			lock;
-	unsigned long			active_bases;
+	unsigned int			active_bases;
+	unsigned int			clock_was_set;
 #ifdef CONFIG_HIGH_RES_TIMERS
 	ktime_t				expires_next;
 	int				hres_active;
@@ -286,6 +288,8 @@ extern void hrtimer_peek_ahead_timers(void);
 # define MONOTONIC_RES_NSEC	HIGH_RES_NSEC
 # define KTIME_MONOTONIC_RES	KTIME_HIGH_RES
 
+extern void clock_was_set_delayed(void);
+
 #else
 
 # define MONOTONIC_RES_NSEC	LOW_RES_NSEC
@@ -306,6 +310,9 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
 {
 	return 0;
 }
+
+static inline void clock_was_set_delayed(void) { }
+
 #endif
 
 extern void clock_was_set(void);
@@ -320,6 +327,7 @@ extern ktime_t ktime_get(void);
 extern ktime_t ktime_get_real(void);
 extern ktime_t ktime_get_boottime(void);
 extern ktime_t ktime_get_monotonic_offset(void);
+extern ktime_t ktime_get_update_offsets(ktime_t *offs_real, ktime_t *offs_boot);
 
 DECLARE_PER_CPU(struct tick_device, tick_cpu_device);
 
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 0ee969a..61a48b5 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -137,6 +137,7 @@ enum {
 	IFLA_AF_SPEC,
 	IFLA_GROUP,		/* Group the device belongs to */
 	IFLA_NET_NS_FD,
+	IFLA_EXT_MASK,		/* Extended info mask, VFs, etc */
 	__IFLA_MAX
 };
 
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 580f70c..921336f 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -30,6 +30,13 @@ extern struct fs_struct init_fs;
 #define INIT_THREADGROUP_FORK_LOCK(sig)
 #endif
 
+#ifdef CONFIG_CPUSETS
+#define INIT_CPUSET_SEQ							\
+	.mems_allowed_seq = SEQCNT_ZERO,
+#else
+#define INIT_CPUSET_SEQ
+#endif
+
 #define INIT_SIGNALS(sig) {						\
 	.nr_threads	= 1,						\
 	.wait_chldexit	= __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
@@ -117,8 +124,17 @@ extern struct group_info init_groups;
 
 extern struct cred init_cred;
 
+extern struct task_group root_task_group;
+
+#ifdef CONFIG_CGROUP_SCHED
+# define INIT_CGROUP_SCHED(tsk)						\
+	.sched_task_group = &root_task_group,
+#else
+# define INIT_CGROUP_SCHED(tsk)
+#endif
+
 #ifdef CONFIG_PERF_EVENTS
-# define INIT_PERF_EVENTS(tsk)					\
+# define INIT_PERF_EVENTS(tsk)						\
 	.perf_event_mutex = 						\
 		 __MUTEX_INITIALIZER(tsk.perf_event_mutex),		\
 	.perf_event_list = LIST_HEAD_INIT(tsk.perf_event_list),
@@ -153,6 +169,7 @@ extern struct cred init_cred;
 	},								\
 	.tasks		= LIST_HEAD_INIT(tsk.tasks),			\
 	INIT_PUSHABLE_TASKS(tsk)					\
+	INIT_CGROUP_SCHED(tsk)						\
 	.ptraced	= LIST_HEAD_INIT(tsk.ptraced),			\
 	.ptrace_entry	= LIST_HEAD_INIT(tsk.ptrace_entry),		\
 	.real_parent	= &tsk,						\
@@ -193,6 +210,7 @@ extern struct cred init_cred;
 	INIT_FTRACE_GRAPH						\
 	INIT_TRACE_RECURSION						\
 	INIT_TASK_RCU_PREEMPT(tsk)					\
+	INIT_CPUSET_SEQ							\
 }
 
 
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 2d921b3..d0a3100 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -38,7 +38,6 @@ struct timer_rand_state;
  */
 struct irq_desc {
 	struct irq_data		irq_data;
-	struct timer_rand_state *timer_rand_state;
 	unsigned int __percpu	*kstat_irqs;
 	irq_flow_handler_t	handle_irq;
 #ifdef CONFIG_IRQ_PREFLOW_FASTEOI
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 9229b64..b557c78 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -228,7 +228,7 @@ static inline int kobject_uevent_env(struct kobject *kobj,
 
 static inline __attribute__((format(printf, 2, 3)))
 int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)
-{ return 0; }
+{ return -ENOMEM; }
 
 static inline int kobject_action_type(const char *buf, size_t count,
 				      enum kobject_action *type)
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 603bec2..06177ba10 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -58,13 +58,6 @@ union ktime {
 
 typedef union ktime ktime_t;		/* Kill this */
 
-#define KTIME_MAX			((s64)~((u64)1 << 63))
-#if (BITS_PER_LONG == 64)
-# define KTIME_SEC_MAX			(KTIME_MAX / NSEC_PER_SEC)
-#else
-# define KTIME_SEC_MAX			LONG_MAX
-#endif
-
 /*
  * ktime_t definitions when using the 64-bit scalar representation:
  */
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 313a00e..4a8da84 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -35,7 +35,8 @@ enum mem_cgroup_page_stat_item {
 extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 					struct list_head *dst,
 					unsigned long *scanned, int order,
-					int mode, struct zone *z,
+					isolate_mode_t mode,
+					struct zone *z,
 					struct mem_cgroup *mem_cont,
 					int active, int file);
 
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 935699b..6bea2c2 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -20,7 +20,7 @@
 #include <linux/compiler.h>
 #include <linux/mutex.h>
 
-#define MIN_MEMORY_BLOCK_SIZE     (1 << SECTION_SIZE_BITS)
+#define MIN_MEMORY_BLOCK_SIZE     (1UL << SECTION_SIZE_BITS)
 
 struct memory_block {
 	unsigned long start_section_nr;
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 7978eec..f85c5ab 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -137,16 +137,6 @@ static inline void mpol_cond_put(struct mempolicy *pol)
 		__mpol_put(pol);
 }
 
-extern struct mempolicy *__mpol_cond_copy(struct mempolicy *tompol,
-					  struct mempolicy *frompol);
-static inline struct mempolicy *mpol_cond_copy(struct mempolicy *tompol,
-						struct mempolicy *frompol)
-{
-	if (!frompol)
-		return frompol;
-	return __mpol_cond_copy(tompol, frompol);
-}
-
 extern struct mempolicy *__mpol_dup(struct mempolicy *pol);
 static inline struct mempolicy *mpol_dup(struct mempolicy *pol)
 {
@@ -188,7 +178,7 @@ struct sp_node {
 
 struct shared_policy {
 	struct rb_root root;
-	spinlock_t lock;
+	struct mutex mutex;
 };
 
 void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol);
@@ -270,12 +260,6 @@ static inline void mpol_cond_put(struct mempolicy *pol)
 {
 }
 
-static inline struct mempolicy *mpol_cond_copy(struct mempolicy *to,
-						struct mempolicy *from)
-{
-	return from;
-}
-
 static inline void mpol_get(struct mempolicy *pol)
 {
 }
diff --git a/include/linux/mfd/ezx-pcap.h b/include/linux/mfd/ezx-pcap.h
index 40c37216..32a1b5c 100644
--- a/include/linux/mfd/ezx-pcap.h
+++ b/include/linux/mfd/ezx-pcap.h
@@ -16,6 +16,7 @@ struct pcap_subdev {
 struct pcap_platform_data {
 	unsigned int irq_base;
 	unsigned int config;
+	int gpio;
 	void (*init) (void *);	/* board specific init */
 	int num_subdevs;
 	struct pcap_subdev *subdevs;
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 82b1faf..1a1fcfd 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -6,20 +6,33 @@
 
 typedef struct page *new_page_t(struct page *, unsigned long private, int **);
 
+/*
+ * MIGRATE_ASYNC means never block
+ * MIGRATE_SYNC_LIGHT in the current implementation means to allow blocking
+ *	on most operations but not ->writepage as the potential stall time
+ *	is too significant
+ * MIGRATE_SYNC will block when migrating pages
+ */
+enum migrate_mode {
+	MIGRATE_ASYNC,
+	MIGRATE_SYNC_LIGHT,
+	MIGRATE_SYNC,
+};
+
 #ifdef CONFIG_MIGRATION
 #define PAGE_MIGRATION 1
 
 extern void putback_lru_pages(struct list_head *l);
 extern int migrate_page(struct address_space *,
-			struct page *, struct page *);
+			struct page *, struct page *, enum migrate_mode);
 #ifndef CONFIG_DMA_CMA
 extern int migrate_pages(struct list_head *l, new_page_t x,
 			unsigned long private, bool offlining,
-			bool sync);
+			enum migrate_mode mode);
 #else
 extern int migrate_pages(struct list_head *l, new_page_t x,
 			unsigned long private, bool offlining,
-			bool sync, int tries);
+			enum migrate_mode mode, int tries);
 
 extern int migrate_replace_cma_page(struct page *oldpage,
 				       struct page **newpage);
@@ -27,7 +40,7 @@ extern int migrate_replace_cma_page(struct page *oldpage,
 
 extern int migrate_huge_pages(struct list_head *l, new_page_t x,
 			unsigned long private, bool offlining,
-			bool sync);
+			enum migrate_mode mode);
 
 extern int fail_migrate_page(struct address_space *,
 			struct page *, struct page *);
@@ -47,6 +60,7 @@ static inline void putback_lru_pages(struct list_head *l) {}
 #ifndef CONFIG_DMA_CMA
 static inline int migrate_pages(struct list_head *l, new_page_t x,
 		unsigned long private, bool offlining,
+<<<<<<< HEAD
 		bool sync) { return -ENOSYS; }
 #else
 static inline int migrate_pages(struct list_head *l, new_page_t x,
@@ -57,9 +71,12 @@ static inline int migrate_replace_cma_page(struct page *oldpage,
 		struct page **newpage) { return -ENOSYS; }
 #endif
 
+=======
+		enum migrate_mode mode) { return -ENOSYS; }
+>>>>>>> 54ea5b40f067cf098cac639973c6628c6944cfb2
 static inline int migrate_huge_pages(struct list_head *l, new_page_t x,
 		unsigned long private, bool offlining,
-		bool sync) { return -ENOSYS; }
+		enum migrate_mode mode) { return -ENOSYS; }
 
 static inline int migrate_prep(void) { return -ENOSYS; }
 static inline int migrate_prep_local(void) { return -ENOSYS; }
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index ad75fd5..df914ad 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -340,6 +340,7 @@ struct mmc_host {
 
 	unsigned int		sdio_irqs;
 	struct task_struct	*sdio_irq_thread;
+	bool			sdio_irq_pending;
 	atomic_t		sdio_irq_thread_abort;
 
 	mmc_pm_flag_t		pm_flags;	/* requested pm features */
@@ -418,6 +419,7 @@ extern int mmc_cache_ctrl(struct mmc_host *, u8);
 static inline void mmc_signal_sdio_irq(struct mmc_host *host)
 {
 	host->ops->enable_sdio_irq(host, 0);
+	host->sdio_irq_pending = true;
 	wake_up_process(host->sdio_irq_thread);
 }
 
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index e5dcd07..26bee1d 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -194,6 +194,20 @@ static inline int is_unevictable_lru(enum lru_list l)
 	return (l == LRU_UNEVICTABLE);
 }
 
+/* Isolate inactive pages */
+#define ISOLATE_INACTIVE	((__force isolate_mode_t)0x1)
+/* Isolate active pages */
+#define ISOLATE_ACTIVE		((__force isolate_mode_t)0x2)
+/* Isolate clean file */
+#define ISOLATE_CLEAN		((__force isolate_mode_t)0x4)
+/* Isolate unmapped file */
+#define ISOLATE_UNMAPPED	((__force isolate_mode_t)0x8)
+/* Isolate for asynchronous migration */
+#define ISOLATE_ASYNC_MIGRATE	((__force isolate_mode_t)0x10)
+
+/* LRU Isolation modes. */
+typedef unsigned __bitwise__ isolate_mode_t;
+
 enum zone_watermarks {
 	WMARK_MIN,
 	WMARK_LOW,
@@ -677,7 +691,7 @@ typedef struct pglist_data {
 					     range, including holes */
 	int node_id;
 	wait_queue_head_t kswapd_wait;
-	struct task_struct *kswapd;
+	struct task_struct *kswapd;	/* Protected by lock_memory_hotplug() */
 	int kswapd_max_order;
 	enum zone_type classzone_idx;
 } pg_data_t;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 33b5968..c037215 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1329,6 +1329,8 @@ struct net_device {
 	/* for setting kernel sock attribute on TCP connection setup */
 #define GSO_MAX_SIZE		65536
 	unsigned int		gso_max_size;
+#define GSO_MAX_SEGS		65535
+	u16			gso_max_segs;
 
 #ifdef CONFIG_DCB
 	/* Data Center Bridging netlink ops */
@@ -1453,15 +1455,6 @@ static inline bool netdev_uses_dsa_tags(struct net_device *dev)
 	return 0;
 }
 
-#ifndef CONFIG_NET_NS
-static inline void skb_set_dev(struct sk_buff *skb, struct net_device *dev)
-{
-	skb->dev = dev;
-}
-#else /* CONFIG_NET_NS */
-void skb_set_dev(struct sk_buff *skb, struct net_device *dev);
-#endif
-
 static inline bool netdev_uses_trailer_tags(struct net_device *dev)
 {
 #ifdef CONFIG_NET_DSA_TAG_TRAILER
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index e8e9cc3..106211c 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -222,7 +222,8 @@ struct netlink_callback {
 	int			(*dump)(struct sk_buff * skb,
 					struct netlink_callback *cb);
 	int			(*done)(struct netlink_callback *cb);
-	int			family;
+	u16			family;
+	u16			min_dump_alloc;
 	long			args[6];
 };
 
@@ -260,7 +261,8 @@ __nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
 extern int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
 			      const struct nlmsghdr *nlh,
 			      int (*dump)(struct sk_buff *skb, struct netlink_callback*),
-			      int (*done)(struct netlink_callback*));
+			      int (*done)(struct netlink_callback*),
+			      u16 min_dump_alloc);
 
 
 #define NL_NONROOT_RECV 0x1
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index acdc370..af625d8 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -261,11 +261,6 @@ static inline const struct nfs_rpc_ops *NFS_PROTO(const struct inode *inode)
 	return NFS_SERVER(inode)->nfs_client->rpc_ops;
 }
 
-static inline __be32 *NFS_COOKIEVERF(const struct inode *inode)
-{
-	return NFS_I(inode)->cookieverf;
-}
-
 static inline unsigned NFS_MINATTRTIMEO(const struct inode *inode)
 {
 	struct nfs_server *nfss = NFS_SERVER(inode);
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 9a63bd6..87a0009 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -415,7 +415,7 @@ static inline void ClearPageCompound(struct page *page)
  * pages on the LRU and/or pagecache.
  */
 TESTPAGEFLAG(Compound, compound)
-__PAGEFLAG(Head, compound)
+__SETPAGEFLAG(Head, compound)  __CLEARPAGEFLAG(Head, compound)
 
 /*
  * PG_reclaim is used in combination with PG_compound to mark the
@@ -427,8 +427,14 @@ __PAGEFLAG(Head, compound)
  * PG_compound & PG_reclaim	=> Tail page
  * PG_compound & ~PG_reclaim	=> Head page
  */
+#define PG_head_mask ((1L << PG_compound))
 #define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim))
 
+static inline int PageHead(struct page *page)
+{
+	return ((page->flags & PG_head_tail_mask) == PG_head_mask);
+}
+
 static inline int PageTail(struct page *page)
 {
 	return ((page->flags & PG_head_tail_mask) == PG_head_tail_mask);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c446b5c..f39d894 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -800,6 +800,7 @@ int __pci_reset_function(struct pci_dev *dev);
 int pci_reset_function(struct pci_dev *dev);
 void pci_update_resource(struct pci_dev *dev, int resno);
 int __must_check pci_assign_resource(struct pci_dev *dev, int i);
+int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align);
 int pci_select_bars(struct pci_dev *dev, unsigned long flags);
 
 /* ROM control related routines */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index f8910e1..4c1a75f 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1537,6 +1537,7 @@
 #define PCI_DEVICE_ID_RICOH_RL5C476	0x0476
 #define PCI_DEVICE_ID_RICOH_RL5C478	0x0478
 #define PCI_DEVICE_ID_RICOH_R5C822	0x0822
+#define PCI_DEVICE_ID_RICOH_R5CE822	0xe822
 #define PCI_DEVICE_ID_RICOH_R5CE823	0xe823
 #define PCI_DEVICE_ID_RICOH_R5C832	0x0832
 #define PCI_DEVICE_ID_RICOH_R5C843	0x0843
@@ -1818,7 +1819,6 @@
 #define PCI_DEVICE_ID_SIIG_8S_20x_650	0x2081
 #define PCI_DEVICE_ID_SIIG_8S_20x_850	0x2082
 #define PCI_SUBDEVICE_ID_SIIG_QUARTET_SERIAL	0x2050
-#define PCI_SUBDEVICE_ID_SIIG_DUAL_SERIAL	0x2530
 
 #define PCI_VENDOR_ID_RADISYS		0x1331
 
@@ -2390,6 +2390,8 @@
 
 #define PCI_VENDOR_ID_AZWAVE		0x1a3b
 
+#define PCI_VENDOR_ID_ASMEDIA		0x1b21
+
 #define PCI_VENDOR_ID_TEKRAM		0x1de1
 #define PCI_DEVICE_ID_TEKRAM_DC290	0xdc29
 
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index e0786e3..effadd6 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -807,7 +807,7 @@ struct perf_event {
 	struct hw_perf_event		hw;
 
 	struct perf_event_context	*ctx;
-	struct file			*filp;
+	atomic_long_t			refcount;
 
 	/*
 	 * These accumulate total time (in nanoseconds) that children
diff --git a/include/linux/random.h b/include/linux/random.h
index d13059f..ac621ce 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -48,13 +48,13 @@ struct rnd_state {
 
 #ifdef __KERNEL__
 
-extern void rand_initialize_irq(int irq);
-
+extern void add_device_randomness(const void *, unsigned int);
 extern void add_input_randomness(unsigned int type, unsigned int code,
 				 unsigned int value);
-extern void add_interrupt_randomness(int irq);
+extern void add_interrupt_randomness(int irq, int irq_flags);
 
 extern void get_random_bytes(void *buf, int nbytes);
+extern void get_random_bytes_arch(void *buf, int nbytes);
 void generate_random_uuid(unsigned char uuid_out[16]);
 
 #ifndef MODULE
@@ -91,6 +91,19 @@ static inline void prandom32_seed(struct rnd_state *state, u64 seed)
 	state->s3 = __seed(i, 15);
 }
 
+#ifdef CONFIG_ARCH_RANDOM
+# include <asm/archrandom.h>
+#else
+static inline int arch_get_random_long(unsigned long *v)
+{
+	return 0;
+}
+static inline int arch_get_random_int(unsigned int *v)
+{
+	return 0;
+}
+#endif
+
 #endif /* __KERNEL___ */
 
 #endif /* _LINUX_RANDOM_H */
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index bbad657..5415dfb 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -600,6 +600,9 @@ struct tcamsg {
 #define TCA_ACT_TAB 1 /* attr type must be >=1 */	
 #define TCAA_MAX 1
 
+/* New extended info filters for IFLA_EXT_MASK */
+#define RTEXT_FILTER_VF		(1 << 0)
+
 /* End of information exported to user level */
 
 #ifdef __KERNEL__
diff --git a/include/linux/sched.h b/include/linux/sched.h
index c4703f5..bec24af 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1236,6 +1236,9 @@ struct task_struct {
 	const struct sched_class *sched_class;
 	struct sched_entity se;
 	struct sched_rt_entity rt;
+#ifdef CONFIG_CGROUP_SCHED
+	struct task_group *sched_task_group;
+#endif
 
 #ifdef CONFIG_PREEMPT_NOTIFIERS
 	/* list of struct preempt_notifier: */
@@ -1485,7 +1488,7 @@ struct task_struct {
 #endif
 #ifdef CONFIG_CPUSETS
 	nodemask_t mems_allowed;	/* Protected by alloc_lock */
-	int mems_allowed_change_disable;
+	seqcount_t mems_allowed_seq;	/* Seqence no to catch updates */
 	int cpuset_mem_spread_rotor;
 	int cpuset_slab_spread_rotor;
 #endif
@@ -2618,7 +2621,7 @@ extern int sched_group_set_rt_period(struct task_group *tg,
 extern long sched_group_rt_period(struct task_group *tg);
 extern int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk);
 #endif
-#endif
+#endif /* CONFIG_CGROUP_SCHED */
 
 extern int task_can_switch_user(struct user_struct *up,
 					struct task_struct *tsk);
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index c6db9fb..bb1fac5 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -141,7 +141,7 @@ static inline unsigned __read_seqcount_begin(const seqcount_t *s)
 	unsigned ret;
 
 repeat:
-	ret = s->sequence;
+	ret = ACCESS_ONCE(s->sequence);
 	if (unlikely(ret & 1)) {
 		cpu_relax();
 		goto repeat;
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index bdef082..5b536b0 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1639,8 +1639,6 @@ static inline int __skb_cow(struct sk_buff *skb, unsigned int headroom,
 {
 	int delta = 0;
 
-	if (headroom < NET_SKB_PAD)
-		headroom = NET_SKB_PAD;
 	if (headroom > skb_headroom(skb))
 		delta = headroom - skb_headroom(skb);
 
diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index 12b2b18..10360c7 100644
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -209,7 +209,6 @@ enum
 	LINUX_MIB_TCPDSACKOFOSENT,		/* TCPDSACKOfoSent */
 	LINUX_MIB_TCPDSACKRECV,			/* TCPDSACKRecv */
 	LINUX_MIB_TCPDSACKOFORECV,		/* TCPDSACKOfoRecv */
-	LINUX_MIB_TCPABORTONSYN,		/* TCPAbortOnSyn */
 	LINUX_MIB_TCPABORTONDATA,		/* TCPAbortOnData */
 	LINUX_MIB_TCPABORTONCLOSE,		/* TCPAbortOnClose */
 	LINUX_MIB_TCPABORTONMEMORY,		/* TCPAbortOnMemory */
@@ -231,6 +230,8 @@ enum
 	LINUX_MIB_TCPDEFERACCEPTDROP,
 	LINUX_MIB_IPRPFILTER, /* IP Reverse Path Filter (rp_filter) */
 	LINUX_MIB_TCPTIMEWAITOVERFLOW,		/* TCPTimeWaitOverflow */
+	LINUX_MIB_TCPCHALLENGEACK,		/* TCPChallengeACK */
+	LINUX_MIB_TCPSYNCHALLENGE,		/* TCPSYNChallenge */
 	__LINUX_MIB_MAX
 };
 
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 8d2eef1..28c3be3 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -224,6 +224,22 @@ static inline int get_int(char **bpp, int *anint)
 	return 0;
 }
 
+static inline int get_uint(char **bpp, unsigned int *anint)
+{
+	char buf[50];
+	int len = qword_get(bpp, buf, sizeof(buf));
+
+	if (len < 0)
+		return -EINVAL;
+	if (len == 0)
+		return -ENOENT;
+
+	if (kstrtouint(buf, 0, anint))
+		return -EINVAL;
+
+	return 0;
+}
+
 /*
  * timestamps kept in the cache are expressed in seconds
  * since boot.  This is the best for measuring differences in
diff --git a/include/linux/swap.h b/include/linux/swap.h
index a273468..e73799d 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -243,11 +243,6 @@ static inline void lru_cache_add_file(struct page *page)
 	__lru_cache_add(page, LRU_INACTIVE_FILE);
 }
 
-/* LRU Isolation modes. */
-#define ISOLATE_INACTIVE 0	/* Isolate inactive pages. */
-#define ISOLATE_ACTIVE 1	/* Isolate active pages. */
-#define ISOLATE_BOTH 2		/* Isolate both active and inactive pages. */
-
 /* linux/mm/vmscan.c */
 extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
 					gfp_t gfp_mask, nodemask_t *mask);
@@ -259,7 +254,7 @@ extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
 						unsigned int swappiness,
 						struct zone *zone,
 						unsigned long *nr_scanned);
-extern int __isolate_lru_page(struct page *page, int mode, int file);
+extern int __isolate_lru_page(struct page *page, isolate_mode_t mode, int file);
 extern unsigned long shrink_all_memory(unsigned long nr_pages);
 extern int vm_swappiness;
 extern int remove_mapping(struct address_space *mapping, struct page *page);
diff --git a/include/linux/time.h b/include/linux/time.h
index b306178..8c0216e 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -107,11 +107,36 @@ static inline struct timespec timespec_sub(struct timespec lhs,
 	return ts_delta;
 }
 
+#define KTIME_MAX			((s64)~((u64)1 << 63))
+#if (BITS_PER_LONG == 64)
+# define KTIME_SEC_MAX			(KTIME_MAX / NSEC_PER_SEC)
+#else
+# define KTIME_SEC_MAX			LONG_MAX
+#endif
+
 /*
  * Returns true if the timespec is norm, false if denorm:
  */
-#define timespec_valid(ts) \
-	(((ts)->tv_sec >= 0) && (((unsigned long) (ts)->tv_nsec) < NSEC_PER_SEC))
+static inline bool timespec_valid(const struct timespec *ts)
+{
+	/* Dates before 1970 are bogus */
+	if (ts->tv_sec < 0)
+		return false;
+	/* Can't have more nanoseconds then a second */
+	if ((unsigned long)ts->tv_nsec >= NSEC_PER_SEC)
+		return false;
+	return true;
+}
+
+static inline bool timespec_valid_strict(const struct timespec *ts)
+{
+	if (!timespec_valid(ts))
+		return false;
+	/* Disallow values that could overflow ktime_t */
+	if ((unsigned long long)ts->tv_sec >= KTIME_SEC_MAX)
+		return false;
+	return true;
+}
 
 extern void read_persistent_clock(struct timespec *ts);
 extern void read_boot_clock(struct timespec *ts);
diff --git a/include/linux/timex.h b/include/linux/timex.h
index aa60fe7..08e90fb 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -266,7 +266,7 @@ static inline int ntp_synced(void)
 /* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */
 extern u64 tick_length;
 
-extern void second_overflow(void);
+extern int second_overflow(unsigned long secs);
 extern void update_ntp_one_tick(void);
 extern int do_adjtimex(struct timex *);
 extern void hardpps(const struct timespec *, const struct timespec *);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index c842093..eecfc67e 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -757,6 +757,27 @@ static inline int usb_make_path(struct usb_device *dev, char *buf, size_t size)
 	.bInterfaceSubClass = (sc), \
 	.bInterfaceProtocol = (pr)
 
+/**
+ * USB_VENDOR_AND_INTERFACE_INFO - describe a specific usb vendor with a class of usb interfaces
+ * @vend: the 16 bit USB Vendor ID
+ * @cl: bInterfaceClass value
+ * @sc: bInterfaceSubClass value
+ * @pr: bInterfaceProtocol value
+ *
+ * This macro is used to create a struct usb_device_id that matches a
+ * specific vendor with a specific class of interfaces.
+ *
+ * This is especially useful when explicitly matching devices that have
+ * vendor specific bDeviceClass values, but standards-compliant interfaces.
+ */
+#define USB_VENDOR_AND_INTERFACE_INFO(vend, cl, sc, pr) \
+	.match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
+		| USB_DEVICE_ID_MATCH_VENDOR, \
+	.idVendor = (vend), \
+	.bInterfaceClass = (cl), \
+	.bInterfaceSubClass = (sc), \
+	.bInterfaceProtocol = (pr)
+
 /* ----------------------------------------------------------------------- */
 
 /* Stuff for dynamic usb ids */
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 32ba8c5..c0ecc5a 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -128,8 +128,6 @@ struct usb_hcd {
 	unsigned		wireless:1;	/* Wireless USB HCD */
 	unsigned		authorized_default:1;
 	unsigned		has_tt:1;	/* Integrated TT in root hub */
-	unsigned		broken_pci_sleep:1;	/* Don't put the
-			controller in PCI-D3 for system sleep */
 
 	int			irq;		/* irq allocated */
 	void __iomem		*regs;		/* device memory/io */
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 22e61fd..28e493b 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -84,6 +84,8 @@ struct xfrm_replay_state {
 	__u32	bitmap;
 };
 
+#define XFRMA_REPLAY_ESN_MAX	4096
+
 struct xfrm_replay_state_esn {
 	unsigned int	bmp_len;
 	__u32		oseq;
diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h
index abd4436..4af554b 100644
--- a/include/net/cipso_ipv4.h
+++ b/include/net/cipso_ipv4.h
@@ -42,6 +42,7 @@
 #include <net/netlabel.h>
 #include <net/request_sock.h>
 #include <asm/atomic.h>
+#include <asm/unaligned.h>
 
 /* known doi values */
 #define CIPSO_V4_DOI_UNKNOWN          0x00000000
@@ -285,7 +286,33 @@ static inline int cipso_v4_skbuff_getattr(const struct sk_buff *skb,
 static inline int cipso_v4_validate(const struct sk_buff *skb,
 				    unsigned char **option)
 {
-	return -ENOSYS;
+	unsigned char *opt = *option;
+	unsigned char err_offset = 0;
+	u8 opt_len = opt[1];
+	u8 opt_iter;
+
+	if (opt_len < 8) {
+		err_offset = 1;
+		goto out;
+	}
+
+	if (get_unaligned_be32(&opt[2]) == 0) {
+		err_offset = 2;
+		goto out;
+	}
+
+	for (opt_iter = 6; opt_iter < opt_len;) {
+		if (opt[opt_iter + 1] > (opt_len - opt_iter)) {
+			err_offset = opt_iter + 1;
+			goto out;
+		}
+		opt_iter += opt[opt_iter + 1];
+	}
+
+out:
+	*option = opt + err_offset;
+	return err_offset;
+
 }
 #endif /* CONFIG_NETLABEL */
 
diff --git a/include/net/dst.h b/include/net/dst.h
index d020134..7907ff1 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -78,6 +78,7 @@ struct dst_entry {
 #define DST_NOHASH		0x0008
 #define DST_NOCACHE		0x0010
 #define DST_NOCOUNT		0x0020
+#define DST_XFRM_TUNNEL		0x0100
 	union {
 		struct dst_entry	*next;
 		struct rtable __rcu	*rt_next;
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 481f856..15b62bb 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1361,7 +1361,7 @@ static inline void ip_vs_notrack(struct sk_buff *skb)
 	struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
 
 	if (!ct || !nf_ct_is_untracked(ct)) {
-		nf_reset(skb);
+		nf_conntrack_put(skb->nfct);
 		skb->nfct = &nf_ct_untracked_get()->ct_general;
 		skb->nfctinfo = IP_CT_NEW;
 		nf_conntrack_get(skb->nfct);
diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h
index 4283508..3a0feb1 100644
--- a/include/net/netfilter/nf_conntrack_ecache.h
+++ b/include/net/netfilter/nf_conntrack_ecache.h
@@ -18,6 +18,7 @@ struct nf_conntrack_ecache {
 	u16 ctmask;		/* bitmask of ct events to be delivered */
 	u16 expmask;		/* bitmask of expect events to be delivered */
 	u32 pid;		/* netlink pid of destroyer */
+	struct timer_list timeout;
 };
 
 static inline struct nf_conntrack_ecache *
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index 4093ca7..3702939 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -6,11 +6,14 @@
 
 typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *, void *);
 typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *);
+typedef u16 (*rtnl_calcit_func)(struct sk_buff *, struct nlmsghdr *);
 
 extern int	__rtnl_register(int protocol, int msgtype,
-				rtnl_doit_func, rtnl_dumpit_func);
+				rtnl_doit_func, rtnl_dumpit_func,
+				rtnl_calcit_func);
 extern void	rtnl_register(int protocol, int msgtype,
-			      rtnl_doit_func, rtnl_dumpit_func);
+			      rtnl_doit_func, rtnl_dumpit_func,
+			      rtnl_calcit_func);
 extern int	rtnl_unregister(int protocol, int msgtype);
 extern void	rtnl_unregister_all(int protocol);
 
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index f1fbe2d..af2e047 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -219,13 +219,16 @@ struct tcf_proto {
 
 struct qdisc_skb_cb {
 	unsigned int		pkt_len;
-	unsigned char		data[24];
+	u16			bond_queue_mapping;
+	u16			_pad;
+	unsigned char		data[20];
 };
 
 static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz)
 {
 	struct qdisc_skb_cb *qcb;
-	BUILD_BUG_ON(sizeof(skb->cb) < sizeof(unsigned int) + sz);
+
+	BUILD_BUG_ON(sizeof(skb->cb) < offsetof(struct qdisc_skb_cb, data) + sz);
 	BUILD_BUG_ON(sizeof(qcb->data) < sz);
 }
 
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index b2c2366..f686066 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -700,4 +700,17 @@ static inline void sctp_v4_map_v6(union sctp_addr *addr)
 	addr->v6.sin6_addr.s6_addr32[2] = htonl(0x0000ffff);
 }
 
+/* The cookie is always 0 since this is how it's used in the
+ * pmtu code.
+ */
+static inline struct dst_entry *sctp_transport_dst_check(struct sctp_transport *t)
+{
+	if (t->dst && !dst_check(t->dst, 0)) {
+		dst_release(t->dst);
+		t->dst = NULL;
+	}
+
+	return t->dst;
+}
+
 #endif /* __net_sctp_h__ */
diff --git a/include/net/sock.h b/include/net/sock.h
index c0b938c..b2deeab 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -194,6 +194,7 @@ struct sock_common {
   *	@sk_route_nocaps: forbidden route capabilities (e.g NETIF_F_GSO_MASK)
   *	@sk_gso_type: GSO type (e.g. %SKB_GSO_TCPV4)
   *	@sk_gso_max_size: Maximum GSO segment size to build
+  *	@sk_gso_max_segs: Maximum number of GSO segments
   *	@sk_lingertime: %SO_LINGER l_linger setting
   *	@sk_backlog: always used with the per-socket spinlock held
   *	@sk_callback_lock: used with the callbacks in the end of this struct
@@ -310,6 +311,7 @@ struct sock {
 	int			sk_route_nocaps;
 	int			sk_gso_type;
 	unsigned int		sk_gso_max_size;
+	u16			sk_gso_max_segs;
 	int			sk_rcvlowat;
 	unsigned long	        sk_lingertime;
 	struct sk_buff_head	sk_error_queue;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 7377393..3180f6c 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -246,6 +246,7 @@ extern int sysctl_tcp_max_ssthresh;
 extern int sysctl_tcp_cookie_size;
 extern int sysctl_tcp_thin_linear_timeouts;
 extern int sysctl_tcp_thin_dupack;
+extern int sysctl_tcp_challenge_ack_limit;
 
 extern atomic_long_t tcp_memory_allocated;
 extern struct percpu_counter tcp_sockets_allocated;
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index b203e14..921f627 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -269,6 +269,9 @@ struct xfrm_replay {
 	int	(*check)(struct xfrm_state *x,
 			 struct sk_buff *skb,
 			 __be32 net_seq);
+	int	(*recheck)(struct xfrm_state *x,
+			   struct sk_buff *skb,
+			   __be32 net_seq);
 	void	(*notify)(struct xfrm_state *x, int event);
 	int	(*overflow)(struct xfrm_state *x, struct sk_buff *skb);
 };
diff --git a/include/sound/core.h b/include/sound/core.h
index 1fa2407..78c5b4e 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -132,6 +132,7 @@ struct snd_card {
 	int shutdown;			/* this card is going down */
 	int free_on_last_close;		/* free in context of file_release */
 	wait_queue_head_t shutdown_sleep;
+	atomic_t refcount;		/* refcount for disconnection */
 	struct device *dev;		/* device assigned to this card */
 	struct device *card_dev;	/* cardX object for sysfs */
 
@@ -189,6 +190,7 @@ struct snd_minor {
 	const struct file_operations *f_ops;	/* file operations */
 	void *private_data;		/* private data for f_ops->open */
 	struct device *dev;		/* device for sysfs */
+	struct snd_card *card_ptr;	/* assigned card instance */
 };
 
 /* return a device pointer linked to each sound device as a parent */
@@ -295,6 +297,7 @@ int snd_card_info_done(void);
 int snd_component_add(struct snd_card *card, const char *component);
 int snd_card_file_add(struct snd_card *card, struct file *file);
 int snd_card_file_remove(struct snd_card *card, struct file *file);
+void snd_card_unref(struct snd_card *card);
 
 #define snd_card_set_dev(card, devptr) ((card)->dev = (devptr))
 
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index a9c87ad..a9536da 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -214,7 +214,7 @@ TRACE_EVENT(mm_page_alloc,
 
 	TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s",
 		__entry->page,
-		page_to_pfn(__entry->page),
+		__entry->page ? page_to_pfn(__entry->page) : 0,
 		__entry->order,
 		__entry->migratetype,
 		show_gfp_flags(__entry->gfp_flags))
@@ -240,7 +240,7 @@ DECLARE_EVENT_CLASS(mm_page,
 
 	TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d",
 		__entry->page,
-		page_to_pfn(__entry->page),
+		__entry->page ? page_to_pfn(__entry->page) : 0,
 		__entry->order,
 		__entry->migratetype,
 		__entry->order == 0)
diff --git a/include/trace/events/random.h b/include/trace/events/random.h
new file mode 100644
index 0000000..422df19
--- /dev/null
+++ b/include/trace/events/random.h
@@ -0,0 +1,134 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM random
+
+#if !defined(_TRACE_RANDOM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_RANDOM_H
+
+#include <linux/writeback.h>
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(random__mix_pool_bytes,
+	TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
+
+	TP_ARGS(pool_name, bytes, IP),
+
+	TP_STRUCT__entry(
+		__field( const char *,	pool_name		)
+		__field(	  int,	bytes			)
+		__field(unsigned long,	IP			)
+	),
+
+	TP_fast_assign(
+		__entry->pool_name	= pool_name;
+		__entry->bytes		= bytes;
+		__entry->IP		= IP;
+	),
+
+	TP_printk("%s pool: bytes %d caller %pF",
+		  __entry->pool_name, __entry->bytes, (void *)__entry->IP)
+);
+
+DEFINE_EVENT(random__mix_pool_bytes, mix_pool_bytes,
+	TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
+
+	TP_ARGS(pool_name, bytes, IP)
+);
+
+DEFINE_EVENT(random__mix_pool_bytes, mix_pool_bytes_nolock,
+	TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
+
+	TP_ARGS(pool_name, bytes, IP)
+);
+
+TRACE_EVENT(credit_entropy_bits,
+	TP_PROTO(const char *pool_name, int bits, int entropy_count,
+		 int entropy_total, unsigned long IP),
+
+	TP_ARGS(pool_name, bits, entropy_count, entropy_total, IP),
+
+	TP_STRUCT__entry(
+		__field( const char *,	pool_name		)
+		__field(	  int,	bits			)
+		__field(	  int,	entropy_count		)
+		__field(	  int,	entropy_total		)
+		__field(unsigned long,	IP			)
+	),
+
+	TP_fast_assign(
+		__entry->pool_name	= pool_name;
+		__entry->bits		= bits;
+		__entry->entropy_count	= entropy_count;
+		__entry->entropy_total	= entropy_total;
+		__entry->IP		= IP;
+	),
+
+	TP_printk("%s pool: bits %d entropy_count %d entropy_total %d "
+		  "caller %pF", __entry->pool_name, __entry->bits,
+		  __entry->entropy_count, __entry->entropy_total,
+		  (void *)__entry->IP)
+);
+
+TRACE_EVENT(get_random_bytes,
+	TP_PROTO(int nbytes, unsigned long IP),
+
+	TP_ARGS(nbytes, IP),
+
+	TP_STRUCT__entry(
+		__field(	  int,	nbytes			)
+		__field(unsigned long,	IP			)
+	),
+
+	TP_fast_assign(
+		__entry->nbytes		= nbytes;
+		__entry->IP		= IP;
+	),
+
+	TP_printk("nbytes %d caller %pF", __entry->nbytes, (void *)__entry->IP)
+);
+
+DECLARE_EVENT_CLASS(random__extract_entropy,
+	TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
+		 unsigned long IP),
+
+	TP_ARGS(pool_name, nbytes, entropy_count, IP),
+
+	TP_STRUCT__entry(
+		__field( const char *,	pool_name		)
+		__field(	  int,	nbytes			)
+		__field(	  int,	entropy_count		)
+		__field(unsigned long,	IP			)
+	),
+
+	TP_fast_assign(
+		__entry->pool_name	= pool_name;
+		__entry->nbytes		= nbytes;
+		__entry->entropy_count	= entropy_count;
+		__entry->IP		= IP;
+	),
+
+	TP_printk("%s pool: nbytes %d entropy_count %d caller %pF",
+		  __entry->pool_name, __entry->nbytes, __entry->entropy_count,
+		  (void *)__entry->IP)
+);
+
+
+DEFINE_EVENT(random__extract_entropy, extract_entropy,
+	TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
+		 unsigned long IP),
+
+	TP_ARGS(pool_name, nbytes, entropy_count, IP)
+);
+
+DEFINE_EVENT(random__extract_entropy, extract_entropy_user,
+	TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
+		 unsigned long IP),
+
+	TP_ARGS(pool_name, nbytes, entropy_count, IP)
+);
+
+
+
+#endif /* _TRACE_RANDOM_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index b2c33bd..edc4b3d 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -179,6 +179,83 @@ DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_re
 	TP_ARGS(nr_reclaimed)
 );
 
+TRACE_EVENT(mm_shrink_slab_start,
+	TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
+		long nr_objects_to_shrink, unsigned long pgs_scanned,
+		unsigned long lru_pgs, unsigned long cache_items,
+		unsigned long long delta, unsigned long total_scan),
+
+	TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
+		cache_items, delta, total_scan),
+
+	TP_STRUCT__entry(
+		__field(struct shrinker *, shr)
+		__field(void *, shrink)
+		__field(long, nr_objects_to_shrink)
+		__field(gfp_t, gfp_flags)
+		__field(unsigned long, pgs_scanned)
+		__field(unsigned long, lru_pgs)
+		__field(unsigned long, cache_items)
+		__field(unsigned long long, delta)
+		__field(unsigned long, total_scan)
+	),
+
+	TP_fast_assign(
+		__entry->shr = shr;
+		__entry->shrink = shr->shrink;
+		__entry->nr_objects_to_shrink = nr_objects_to_shrink;
+		__entry->gfp_flags = sc->gfp_mask;
+		__entry->pgs_scanned = pgs_scanned;
+		__entry->lru_pgs = lru_pgs;
+		__entry->cache_items = cache_items;
+		__entry->delta = delta;
+		__entry->total_scan = total_scan;
+	),
+
+	TP_printk("%pF %p: objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld",
+		__entry->shrink,
+		__entry->shr,
+		__entry->nr_objects_to_shrink,
+		show_gfp_flags(__entry->gfp_flags),
+		__entry->pgs_scanned,
+		__entry->lru_pgs,
+		__entry->cache_items,
+		__entry->delta,
+		__entry->total_scan)
+);
+
+TRACE_EVENT(mm_shrink_slab_end,
+	TP_PROTO(struct shrinker *shr, int shrinker_retval,
+		long unused_scan_cnt, long new_scan_cnt),
+
+	TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt),
+
+	TP_STRUCT__entry(
+		__field(struct shrinker *, shr)
+		__field(void *, shrink)
+		__field(long, unused_scan)
+		__field(long, new_scan)
+		__field(int, retval)
+		__field(long, total_scan)
+	),
+
+	TP_fast_assign(
+		__entry->shr = shr;
+		__entry->shrink = shr->shrink;
+		__entry->unused_scan = unused_scan_cnt;
+		__entry->new_scan = new_scan_cnt;
+		__entry->retval = shrinker_retval;
+		__entry->total_scan = new_scan_cnt - unused_scan_cnt;
+	),
+
+	TP_printk("%pF %p: unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
+		__entry->shrink,
+		__entry->shr,
+		__entry->unused_scan,
+		__entry->new_scan,
+		__entry->total_scan,
+		__entry->retval)
+);
 
 DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
 
@@ -189,7 +266,7 @@ DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
 		unsigned long nr_lumpy_taken,
 		unsigned long nr_lumpy_dirty,
 		unsigned long nr_lumpy_failed,
-		int isolate_mode),
+		isolate_mode_t isolate_mode),
 
 	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode),
 
@@ -201,7 +278,7 @@ DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
 		__field(unsigned long, nr_lumpy_taken)
 		__field(unsigned long, nr_lumpy_dirty)
 		__field(unsigned long, nr_lumpy_failed)
-		__field(int, isolate_mode)
+		__field(isolate_mode_t, isolate_mode)
 	),
 
 	TP_fast_assign(
@@ -235,7 +312,7 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
 		unsigned long nr_lumpy_taken,
 		unsigned long nr_lumpy_dirty,
 		unsigned long nr_lumpy_failed,
-		int isolate_mode),
+		isolate_mode_t isolate_mode),
 
 	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
 
@@ -250,7 +327,7 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
 		unsigned long nr_lumpy_taken,
 		unsigned long nr_lumpy_dirty,
 		unsigned long nr_lumpy_failed,
-		int isolate_mode),
+		isolate_mode_t isolate_mode),
 
 	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)