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authorIngo Molnar <mingo@elte.hu>2010-02-08 08:55:43 +0100
committerIngo Molnar <mingo@elte.hu>2010-02-08 08:55:46 +0100
commit6d3e0907b8b239d16720d144e2675ecf10d3bc3b (patch)
treee0b0743b5f6f82b057cafc4f3687396a6e01a0b4 /include/linux/sched.h
parent23577256953c870de9b724c3a2611ce7be6a1e4e (diff)
parent50200df462023b187d80a99a52f5f2cfe3c86c26 (diff)
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Merge branch 'sched/urgent' into sched/core
Merge reason: Merge dependent fix, update to latest -rc. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h35
1 files changed, 32 insertions, 3 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index b35c0c7..b1b8d84 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -310,6 +310,7 @@ extern void sched_show_task(struct task_struct *p);
#ifdef CONFIG_DETECT_SOFTLOCKUP
extern void softlockup_tick(void);
extern void touch_softlockup_watchdog(void);
+extern void touch_softlockup_watchdog_sync(void);
extern void touch_all_softlockup_watchdogs(void);
extern int proc_dosoftlockup_thresh(struct ctl_table *table, int write,
void __user *buffer,
@@ -323,6 +324,9 @@ static inline void softlockup_tick(void)
static inline void touch_softlockup_watchdog(void)
{
}
+static inline void touch_softlockup_watchdog_sync(void)
+{
+}
static inline void touch_all_softlockup_watchdogs(void)
{
}
@@ -377,6 +381,8 @@ extern int sysctl_max_map_count;
#include <linux/aio.h>
+#ifdef CONFIG_MMU
+extern void arch_pick_mmap_layout(struct mm_struct *mm);
extern unsigned long
arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
unsigned long, unsigned long);
@@ -386,6 +392,9 @@ arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
unsigned long flags);
extern void arch_unmap_area(struct mm_struct *, unsigned long);
extern void arch_unmap_area_topdown(struct mm_struct *, unsigned long);
+#else
+static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
+#endif
#if USE_SPLIT_PTLOCKS
/*
@@ -1349,7 +1358,7 @@ struct task_struct {
char comm[TASK_COMM_LEN]; /* executable name excluding path
- access with [gs]et_task_comm (which lock
it with task_lock())
- - initialized normally by flush_old_exec */
+ - initialized normally by setup_new_exec */
/* file system info */
int link_count, total_link_count;
#ifdef CONFIG_SYSVIPC
@@ -2476,8 +2485,6 @@ static inline void set_task_cpu(struct task_struct *p, unsigned int cpu)
#endif /* CONFIG_SMP */
-extern void arch_pick_mmap_layout(struct mm_struct *mm);
-
#ifdef CONFIG_TRACING
extern void
__trace_special(void *__tr, void *__data,
@@ -2582,6 +2589,28 @@ static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
}
#endif /* CONFIG_MM_OWNER */
+static inline unsigned long task_rlimit(const struct task_struct *tsk,
+ unsigned int limit)
+{
+ return ACCESS_ONCE(tsk->signal->rlim[limit].rlim_cur);
+}
+
+static inline unsigned long task_rlimit_max(const struct task_struct *tsk,
+ unsigned int limit)
+{
+ return ACCESS_ONCE(tsk->signal->rlim[limit].rlim_max);
+}
+
+static inline unsigned long rlimit(unsigned int limit)
+{
+ return task_rlimit(current, limit);
+}
+
+static inline unsigned long rlimit_max(unsigned int limit)
+{
+ return task_rlimit_max(current, limit);
+}
+
#endif /* __KERNEL__ */
#endif