diff options
Diffstat (limited to 'include/linux/slub_def.h')
| -rw-r--r-- | include/linux/slub_def.h | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index 6207a3d8da71..07f7e4cbcee3 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -16,7 +16,9 @@ struct kmem_cache_node { unsigned long nr_partial; atomic_long_t nr_slabs; struct list_head partial; +#ifdef CONFIG_SLUB_DEBUG struct list_head full; +#endif }; /* @@ -44,7 +46,9 @@ struct kmem_cache { int align; /* Alignment */ const char *name; /* Name (only for display!) */ struct list_head list; /* List of slab caches */ +#ifdef CONFIG_SLUB_DEBUG struct kobject kobj; /* For sysfs */ +#endif #ifdef CONFIG_NUMA int defrag_ratio; @@ -159,17 +163,8 @@ static inline struct kmem_cache *kmalloc_slab(size_t size) #define SLUB_DMA 0 #endif - -/* - * ZERO_SIZE_PTR will be returned for zero sized kmalloc requests. - * - * Dereferencing ZERO_SIZE_PTR will lead to a distinct access fault. - * - * ZERO_SIZE_PTR can be passed to kfree though in the same way that NULL can. - * Both make kfree a no-op. - */ -#define ZERO_SIZE_PTR ((void *)16) - +void *kmem_cache_alloc(struct kmem_cache *, gfp_t); +void *__kmalloc(size_t size, gfp_t flags); static inline void *kmalloc(size_t size, gfp_t flags) { @@ -184,21 +179,9 @@ static inline void *kmalloc(size_t size, gfp_t flags) return __kmalloc(size, flags); } -static inline void *kzalloc(size_t size, gfp_t flags) -{ - if (__builtin_constant_p(size) && !(flags & SLUB_DMA)) { - struct kmem_cache *s = kmalloc_slab(size); - - if (!s) - return ZERO_SIZE_PTR; - - return kmem_cache_zalloc(s, flags); - } else - return __kzalloc(size, flags); -} - #ifdef CONFIG_NUMA -extern void *__kmalloc_node(size_t size, gfp_t flags, int node); +void *__kmalloc_node(size_t size, gfp_t flags, int node); +void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); static inline void *kmalloc_node(size_t size, gfp_t flags, int node) { |