diff options
| -rw-r--r-- | mm/slab.c | 2 | ||||
| -rw-r--r-- | mm/slob.c | 2 | ||||
| -rw-r--r-- | mm/slub.c | 2 |
3 files changed, 5 insertions, 1 deletions
diff --git a/mm/slab.c b/mm/slab.c index 9a90b00d2f91..021d69fec164 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2592,7 +2592,7 @@ void kmem_cache_destroy(struct kmem_cache *cachep) } if (unlikely(cachep->flags & SLAB_DESTROY_BY_RCU)) - synchronize_rcu(); + rcu_barrier(); __kmem_cache_destroy(cachep); mutex_unlock(&cache_chain_mutex); diff --git a/mm/slob.c b/mm/slob.c index f92e66d558bd..c80d982a6f5c 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -590,6 +590,8 @@ EXPORT_SYMBOL(kmem_cache_create); void kmem_cache_destroy(struct kmem_cache *c) { + if (c->flags & SLAB_DESTROY_BY_RCU) + rcu_barrier(); slob_free(c, sizeof(struct kmem_cache)); } EXPORT_SYMBOL(kmem_cache_destroy); diff --git a/mm/slub.c b/mm/slub.c index 65ffda5934b0..253016d3cb4c 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2490,6 +2490,8 @@ static inline int kmem_cache_close(struct kmem_cache *s) */ void kmem_cache_destroy(struct kmem_cache *s) { + if (s->flags & SLAB_DESTROY_BY_RCU) + rcu_barrier(); down_write(&slub_lock); s->refcount--; if (!s->refcount) { |