diff options
Diffstat (limited to 'mm/slab.h')
| -rw-r--r-- | mm/slab.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mm/slab.h b/mm/slab.h index ec5dae1c8e7..34a98d64219 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -155,6 +155,13 @@ static inline struct kmem_cache *cache_from_memcg(struct kmem_cache *s, int idx) { return s->memcg_params->memcg_caches[idx]; } + +static inline struct kmem_cache *memcg_root_cache(struct kmem_cache *s) +{ + if (is_root_cache(s)) + return s; + return s->memcg_params->root_cache; +} #else static inline bool is_root_cache(struct kmem_cache *s) { @@ -190,6 +197,11 @@ static inline struct kmem_cache *cache_from_memcg(struct kmem_cache *s, int idx) { return NULL; } + +static inline struct kmem_cache *memcg_root_cache(struct kmem_cache *s) +{ + return s; +} #endif static inline struct kmem_cache *cache_from_obj(struct kmem_cache *s, void *x) |