diff options
Diffstat (limited to 'mm/slab.h')
| -rw-r--r-- | mm/slab.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/mm/slab.h b/mm/slab.h index 49e7a8b1d27e..abe582d20c79 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -43,12 +43,15 @@ extern struct kmem_cache *create_kmalloc_cache(const char *name, size_t size, extern void create_boot_cache(struct kmem_cache *, const char *name, size_t size, unsigned long flags); +struct mem_cgroup; #ifdef CONFIG_SLUB -struct kmem_cache *__kmem_cache_alias(const char *name, size_t size, - size_t align, unsigned long flags, void (*ctor)(void *)); +struct kmem_cache * +__kmem_cache_alias(struct mem_cgroup *memcg, const char *name, size_t size, + size_t align, unsigned long flags, void (*ctor)(void *)); #else -static inline struct kmem_cache *__kmem_cache_alias(const char *name, size_t size, - size_t align, unsigned long flags, void (*ctor)(void *)) +static inline struct kmem_cache * +__kmem_cache_alias(struct mem_cgroup *memcg, const char *name, size_t size, + size_t align, unsigned long flags, void (*ctor)(void *)) { return NULL; } #endif @@ -106,11 +109,23 @@ static inline bool is_root_cache(struct kmem_cache *s) { return !s->memcg_params || s->memcg_params->is_root_cache; } + +static inline bool cache_match_memcg(struct kmem_cache *cachep, + struct mem_cgroup *memcg) +{ + return (is_root_cache(cachep) && !memcg) || + (cachep->memcg_params->memcg == memcg); +} #else static inline bool is_root_cache(struct kmem_cache *s) { return true; } +static inline bool cache_match_memcg(struct kmem_cache *cachep, + struct mem_cgroup *memcg) +{ + return true; +} #endif #endif |