diff options
| -rw-r--r-- | include/linux/slab.h | 44 | ||||
| -rw-r--r-- | mm/slab.c | 2 | ||||
| -rw-r--r-- | mm/slob.c | 2 |
3 files changed, 26 insertions, 22 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h index e7a9c6b4241..1ef822e31c7 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -20,11 +20,11 @@ typedef struct kmem_cache kmem_cache_t __deprecated; * Flags to pass to kmem_cache_create(). * The ones marked DEBUG are only valid if CONFIG_SLAB_DEBUG is set. */ -#define SLAB_DEBUG_FREE 0x00000100UL /* DEBUG: Perform (expensive) checks on free */ -#define SLAB_DEBUG_INITIAL 0x00000200UL /* DEBUG: Call constructor (as verifier) */ -#define SLAB_RED_ZONE 0x00000400UL /* DEBUG: Red zone objs in a cache */ -#define SLAB_POISON 0x00000800UL /* DEBUG: Poison objects */ -#define SLAB_HWCACHE_ALIGN 0x00002000UL /* Align objs on cache lines */ +#define SLAB_DEBUG_FREE 0x00000100UL /* DEBUG: Perform (expensive) checks on free */ +#define SLAB_DEBUG_INITIAL 0x00000200UL /* DEBUG: Call constructor (as verifier) */ +#define SLAB_RED_ZONE 0x00000400UL /* DEBUG: Red zone objs in a cache */ +#define SLAB_POISON 0x00000800UL /* DEBUG: Poison objects */ +#define SLAB_HWCACHE_ALIGN 0x00002000UL /* Align objs on cache lines */ #define SLAB_CACHE_DMA 0x00004000UL /* Use GFP_DMA memory */ #define SLAB_MUST_HWCACHE_ALIGN 0x00008000UL /* Force alignment even if debuggin is active */ #define SLAB_STORE_USER 0x00010000UL /* DEBUG: Store the last owner for bug hunting */ @@ -34,9 +34,9 @@ typedef struct kmem_cache kmem_cache_t __deprecated; #define SLAB_MEM_SPREAD 0x00100000UL /* Spread some memory over cpuset */ /* Flags passed to a constructor functions */ -#define SLAB_CTOR_CONSTRUCTOR 0x001UL /* If not set, then deconstructor */ +#define SLAB_CTOR_CONSTRUCTOR 0x001UL /* If not set, then deconstructor */ #define SLAB_CTOR_ATOMIC 0x002UL /* Tell constructor it can't sleep */ -#define SLAB_CTOR_VERIFY 0x004UL /* Tell constructor it's a verify call */ +#define SLAB_CTOR_VERIFY 0x004UL /* Tell constructor it's a verify call */ /* * struct kmem_cache related prototypes @@ -55,7 +55,7 @@ void *kmem_cache_zalloc(struct kmem_cache *, gfp_t); void kmem_cache_free(struct kmem_cache *, void *); unsigned int kmem_cache_size(struct kmem_cache *); const char *kmem_cache_name(struct kmem_cache *); -int kmem_ptr_validate(struct kmem_cache *cachep, void *ptr); +int kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr); #ifdef CONFIG_NUMA extern void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); @@ -93,19 +93,15 @@ static inline void *kcalloc(size_t n, size_t size, gfp_t flags) * ways to convert kmalloc() calls to kmem_cache_alloc() invocations by selecting * the appropriate general cache at compile time. */ + #ifdef CONFIG_SLAB #include <linux/slab_def.h> #else - /* * Fallback definitions for an allocator not wanting to provide * its own optimized kmalloc definitions (like SLOB). */ -#if defined(CONFIG_NUMA) || defined(CONFIG_DEBUG_SLAB) -#error "SLAB fallback definitions not usable for NUMA or Slab debug" -#endif - /** * kmalloc - allocate memory * @size: how many bytes of memory are required. @@ -151,7 +147,7 @@ static inline void *kcalloc(size_t n, size_t size, gfp_t flags) * * %__GFP_REPEAT - If allocation fails initially, try once more before failing. */ -void *kmalloc(size_t size, gfp_t flags) +static inline void *kmalloc(size_t size, gfp_t flags) { return __kmalloc(size, flags); } @@ -161,12 +157,24 @@ void *kmalloc(size_t size, gfp_t flags) * @size: how many bytes of memory are required. * @flags: the type of memory to allocate (see kmalloc). */ -void *kzalloc(size_t size, gfp_t flags) +static inline void *kzalloc(size_t size, gfp_t flags) { return __kzalloc(size, flags); } #endif +#ifndef CONFIG_NUMA +static inline void *kmalloc_node(size_t size, gfp_t flags, int node) +{ + return kmalloc(size, flags); +} + +static inline void *__kmalloc_node(size_t size, gfp_t flags, int node) +{ + return __kmalloc(size, flags); +} +#endif /* !CONFIG_NUMA */ + /* * kmalloc_track_caller is a special version of kmalloc that records the * calling function of the routine calling it for slab leak tracking instead @@ -208,12 +216,8 @@ extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, void *); #define kmalloc_node_track_caller(size, flags, node) \ kmalloc_track_caller(size, flags) -static inline void *kmalloc_node(size_t size, gfp_t flags, int node) -{ - return kmalloc(size, flags); -} +#endif /* DEBUG_SLAB */ -#endif /* !CONFIG_NUMA */ #endif /* __KERNEL__ */ #endif /* _LINUX_SLAB_H */ diff --git a/mm/slab.c b/mm/slab.c index c7576b9027a..9d3550086c9 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3541,7 +3541,7 @@ EXPORT_SYMBOL(kmem_cache_zalloc); * * Currently only used for dentry validation. */ -int fastcall kmem_ptr_validate(struct kmem_cache *cachep, void *ptr) +int fastcall kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr) { unsigned long addr = (unsigned long)ptr; unsigned long min_addr = PAGE_OFFSET; diff --git a/mm/slob.c b/mm/slob.c index b90091c4b08..2e9236e10ed 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -334,7 +334,7 @@ int kmem_cache_shrink(struct kmem_cache *d) } EXPORT_SYMBOL(kmem_cache_shrink); -int kmem_ptr_validate(struct kmem_cache *a, void *b) +int kmem_ptr_validate(struct kmem_cache *a, const void *b) { return 0; } |