diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/aio.h | 7 | ||||
-rw-r--r-- | include/linux/bootmem.h | 32 | ||||
-rw-r--r-- | include/linux/hugetlb.h | 3 | ||||
-rw-r--r-- | include/linux/idr.h | 1 | ||||
-rw-r--r-- | include/linux/rcupdate.h | 1 |
5 files changed, 41 insertions, 3 deletions
diff --git a/include/linux/aio.h b/include/linux/aio.h index 60def65..0decf66 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -24,7 +24,12 @@ struct kioctx; #define KIOCB_SYNC_KEY (~0U) /* ki_flags bits */ -#define KIF_LOCKED 0 +/* + * This may be used for cancel/retry serialization in the future, but + * for now it's unused and we probably don't want modules to even + * think they can use it. + */ +/* #define KIF_LOCKED 0 */ #define KIF_KICKED 1 #define KIF_CANCELLED 2 diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 82bd884..3b03b0b 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -43,7 +43,7 @@ typedef struct bootmem_data { extern unsigned long __init bootmem_bootmap_pages (unsigned long); extern unsigned long __init init_bootmem (unsigned long addr, unsigned long memend); extern void __init free_bootmem (unsigned long addr, unsigned long size); -extern void * __init __alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal); +extern void * __init __alloc_bootmem_limit (unsigned long size, unsigned long align, unsigned long goal, unsigned long limit); #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE extern void __init reserve_bootmem (unsigned long addr, unsigned long size); #define alloc_bootmem(x) \ @@ -54,6 +54,16 @@ extern void __init reserve_bootmem (unsigned long addr, unsigned long size); __alloc_bootmem((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_low_pages(x) \ __alloc_bootmem((x), PAGE_SIZE, 0) + +#define alloc_bootmem_limit(x, limit) \ + __alloc_bootmem_limit((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit)) +#define alloc_bootmem_low_limit(x, limit) \ + __alloc_bootmem_limit((x), SMP_CACHE_BYTES, 0, (limit)) +#define alloc_bootmem_pages_limit(x, limit) \ + __alloc_bootmem_limit((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit)) +#define alloc_bootmem_low_pages_limit(x, limit) \ + __alloc_bootmem_limit((x), PAGE_SIZE, 0, (limit)) + #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ extern unsigned long __init free_all_bootmem (void); @@ -61,7 +71,7 @@ extern unsigned long __init init_bootmem_node (pg_data_t *pgdat, unsigned long f extern void __init reserve_bootmem_node (pg_data_t *pgdat, unsigned long physaddr, unsigned long size); extern void __init free_bootmem_node (pg_data_t *pgdat, unsigned long addr, unsigned long size); extern unsigned long __init free_all_bootmem_node (pg_data_t *pgdat); -extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal); +extern void * __init __alloc_bootmem_node_limit (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal, unsigned long limit); #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE #define alloc_bootmem_node(pgdat, x) \ __alloc_bootmem_node((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) @@ -69,6 +79,14 @@ extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_low_pages_node(pgdat, x) \ __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, 0) + +#define alloc_bootmem_node_limit(pgdat, x, limit) \ + __alloc_bootmem_node_limit((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit)) +#define alloc_bootmem_pages_node_limit(pgdat, x, limit) \ + __alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit)) +#define alloc_bootmem_low_pages_node_limit(pgdat, x, limit) \ + __alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, 0, (limit)) + #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ #ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP @@ -105,5 +123,15 @@ extern void *__init alloc_large_system_hash(const char *tablename, #endif extern int __initdata hashdist; /* Distribute hashes across NUMA nodes? */ +static inline void *__alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal) +{ + return __alloc_bootmem_limit(size, align, goal, 0); +} + +static inline void *__alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align, + unsigned long goal) +{ + return __alloc_bootmem_node_limit(pgdat, size, align, goal, 0); +} #endif /* _LINUX_BOOTMEM_H */ diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index e670b0d..d664330 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -25,6 +25,8 @@ int is_hugepage_mem_enough(size_t); unsigned long hugetlb_total_pages(void); struct page *alloc_huge_page(void); void free_huge_page(struct page *); +int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, + unsigned long address, int write_access); extern unsigned long max_huge_pages; extern const unsigned long hugetlb_zero, hugetlb_infinity; @@ -99,6 +101,7 @@ static inline unsigned long hugetlb_total_pages(void) do { } while (0) #define alloc_huge_page() ({ NULL; }) #define free_huge_page(p) ({ (void)(p); BUG(); }) +#define hugetlb_fault(mm, vma, addr, write) ({ BUG(); 0; }) #ifndef HPAGE_MASK #define HPAGE_MASK 0 /* Keep the compiler happy */ diff --git a/include/linux/idr.h b/include/linux/idr.h index ca3b7e4..3d5de45 100644 --- a/include/linux/idr.h +++ b/include/linux/idr.h @@ -75,4 +75,5 @@ int idr_pre_get(struct idr *idp, unsigned gfp_mask); int idr_get_new(struct idr *idp, void *ptr, int *id); int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id); void idr_remove(struct idr *idp, int id); +void idr_destroy(struct idr *idp); void idr_init(struct idr *idp); diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 4e65eb4..70191a5 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -94,6 +94,7 @@ struct rcu_data { long batch; /* Batch # for current RCU batch */ struct rcu_head *nxtlist; struct rcu_head **nxttail; + long count; /* # of queued items */ struct rcu_head *curlist; struct rcu_head **curtail; struct rcu_head *donelist; |