X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=mm%2Fslab_common.c;h=ec2bb0beed757cf2b143920b07b43fafeb9169f5;hb=0f4b9289bad354b606190a4cd54d5222b4e41d98;hp=1c673c323baf2eed3fbf57d22d9ad70c779b5dd3;hpb=71af75b6929458d85f63c0649dc26d6f4c19729e;p=linux-2.6-microblaze.git

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 1c673c323baf..ec2bb0beed75 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -502,6 +502,7 @@ void kmem_cache_destroy(struct kmem_cache *s)
 	if (unlikely(!s))
 		return;
 
+	cpus_read_lock();
 	mutex_lock(&slab_mutex);
 
 	s->refcount--;
@@ -516,6 +517,7 @@ void kmem_cache_destroy(struct kmem_cache *s)
 	}
 out_unlock:
 	mutex_unlock(&slab_mutex);
+	cpus_read_unlock();
 }
 EXPORT_SYMBOL(kmem_cache_destroy);