Commit 9861df15 authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
  SLAB: Fix lockdep annotations
  fix RCU-callback-after-kmem_cache_destroy problem in sl[aou]b
parents 8871b201 67fc25ef
......@@ -1544,9 +1544,6 @@ void __init kmem_cache_init(void)
}
g_cpucache_up = EARLY;
/* Annotate slab for lockdep -- annotate the malloc caches */
init_lock_keys();
}
void __init kmem_cache_init_late(void)
......@@ -1563,6 +1560,9 @@ void __init kmem_cache_init_late(void)
/* Done! */
g_cpucache_up = FULL;
/* Annotate slab for lockdep -- annotate the malloc caches */
init_lock_keys();
/*
* Register a cpu startup notifier callback that initializes
* cpu_cache_get for all new cpus
......@@ -2547,7 +2547,7 @@ 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);
......
......@@ -595,6 +595,8 @@ EXPORT_SYMBOL(kmem_cache_create);
void kmem_cache_destroy(struct kmem_cache *c)
{
kmemleak_free(c);
if (c->flags & SLAB_DESTROY_BY_RCU)
rcu_barrier();
slob_free(c, sizeof(struct kmem_cache));
}
EXPORT_SYMBOL(kmem_cache_destroy);
......
......@@ -2595,6 +2595,8 @@ 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) {
......
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