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| author | Pekka Enberg <penberg@kernel.org> | 2012-12-18 12:46:20 +0200 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2012-12-18 12:46:20 +0200 |
| commit | 08afe22c68d8c07e8e31ee6491c37f36199ba14b (patch) | |
| tree | 875d203149b74fddb50522fd5df3d6b154f5fe1e /mm/slab.h | |
| parent | a304f836a2e6d257c1f918b3431f97ef6b33e02e (diff) | |
| parent | 4590685546a374fb0f60682ce0e3a6fd48911d46 (diff) | |
Merge branch 'slab/next' into slab/for-linus
Fix up a trivial merge conflict with commit baaf1dd ("mm/slob: use
min_t() to compare ARCH_SLAB_MINALIGN") that did not go through the slab
tree.
Conflicts:
mm/slob.c
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slab.h')
| -rw-r--r-- | mm/slab.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/mm/slab.h b/mm/slab.h index 5a43c2f13621..1cb9c9ee0e6f 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -32,9 +32,17 @@ extern struct list_head slab_caches; /* The slab cache that manages slab cache information */ extern struct kmem_cache *kmem_cache; +unsigned long calculate_alignment(unsigned long flags, + unsigned long align, unsigned long size); + /* Functions provided by the slab allocators */ extern int __kmem_cache_create(struct kmem_cache *, unsigned long flags); +extern struct kmem_cache *create_kmalloc_cache(const char *name, size_t size, + unsigned long flags); +extern void create_boot_cache(struct kmem_cache *, const char *name, + size_t size, unsigned long flags); + #ifdef CONFIG_SLUB struct kmem_cache *__kmem_cache_alias(const char *name, size_t size, size_t align, unsigned long flags, void (*ctor)(void *)); @@ -45,6 +53,31 @@ static inline struct kmem_cache *__kmem_cache_alias(const char *name, size_t siz #endif +/* Legal flag mask for kmem_cache_create(), for various configurations */ +#define SLAB_CORE_FLAGS (SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA | SLAB_PANIC | \ + SLAB_DESTROY_BY_RCU | SLAB_DEBUG_OBJECTS ) + +#if defined(CONFIG_DEBUG_SLAB) +#define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER) +#elif defined(CONFIG_SLUB_DEBUG) +#define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \ + SLAB_TRACE | SLAB_DEBUG_FREE) +#else +#define SLAB_DEBUG_FLAGS (0) +#endif + +#if defined(CONFIG_SLAB) +#define SLAB_CACHE_FLAGS (SLAB_MEM_SPREAD | SLAB_NOLEAKTRACE | \ + SLAB_RECLAIM_ACCOUNT | SLAB_TEMPORARY | SLAB_NOTRACK) +#elif defined(CONFIG_SLUB) +#define SLAB_CACHE_FLAGS (SLAB_NOLEAKTRACE | SLAB_RECLAIM_ACCOUNT | \ + SLAB_TEMPORARY | SLAB_NOTRACK) +#else +#define SLAB_CACHE_FLAGS (0) +#endif + +#define CACHE_CREATE_MASK (SLAB_CORE_FLAGS | SLAB_DEBUG_FLAGS | SLAB_CACHE_FLAGS) + int __kmem_cache_shutdown(struct kmem_cache *); struct seq_file; |