diff options
Diffstat (limited to 'mm/slab.h')
| -rw-r--r-- | mm/slab.h | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/mm/slab.h b/mm/slab.h index 485d9fbb8802..20ee67d11bb4 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -165,6 +165,7 @@ static inline unsigned long kmem_cache_flags(unsigned long object_size, SLAB_TEMPORARY | \ SLAB_ACCOUNT) +bool __kmem_cache_empty(struct kmem_cache *); int __kmem_cache_shutdown(struct kmem_cache *); void __kmem_cache_release(struct kmem_cache *); int __kmem_cache_shrink(struct kmem_cache *); @@ -435,11 +436,9 @@ static inline void slab_post_alloc_hook(struct kmem_cache *s, gfp_t flags, flags &= gfp_allowed_mask; for (i = 0; i < size; i++) { - void *object = p[i]; - - kmemleak_alloc_recursive(object, s->object_size, 1, + p[i] = kasan_slab_alloc(s, p[i], flags); + kmemleak_alloc_recursive(p[i], s->object_size, 1, s->flags, flags); - kasan_slab_alloc(s, object, flags); } if (memcg_kmem_enabled()) @@ -518,4 +517,24 @@ static inline int cache_random_seq_create(struct kmem_cache *cachep, static inline void cache_random_seq_destroy(struct kmem_cache *cachep) { } #endif /* CONFIG_SLAB_FREELIST_RANDOM */ +static inline bool slab_want_init_on_alloc(gfp_t flags, struct kmem_cache *c) +{ + if (static_branch_unlikely(&init_on_alloc)) { + if (c->ctor) + return false; + if (c->flags & (SLAB_TYPESAFE_BY_RCU | SLAB_POISON)) + return flags & __GFP_ZERO; + return true; + } + return flags & __GFP_ZERO; +} + +static inline bool slab_want_init_on_free(struct kmem_cache *c) +{ + if (static_branch_unlikely(&init_on_free)) + return !(c->ctor || + (c->flags & (SLAB_TYPESAFE_BY_RCU | SLAB_POISON))); + return false; +} + #endif /* MM_SLAB_H */ |