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-rw-r--r--mm/memcontrol.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 19d5d4274e22..53385cd4e6f0 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3400,7 +3400,7 @@ void mem_cgroup_destroy_cache(struct kmem_cache *cachep)
3400static struct kmem_cache *memcg_create_kmem_cache(struct mem_cgroup *memcg, 3400static struct kmem_cache *memcg_create_kmem_cache(struct mem_cgroup *memcg,
3401 struct kmem_cache *s) 3401 struct kmem_cache *s)
3402{ 3402{
3403 struct kmem_cache *new; 3403 struct kmem_cache *new = NULL;
3404 static char *tmp_name = NULL; 3404 static char *tmp_name = NULL;
3405 static DEFINE_MUTEX(mutex); /* protects tmp_name */ 3405 static DEFINE_MUTEX(mutex); /* protects tmp_name */
3406 3406
@@ -3416,7 +3416,7 @@ static struct kmem_cache *memcg_create_kmem_cache(struct mem_cgroup *memcg,
3416 if (!tmp_name) { 3416 if (!tmp_name) {
3417 tmp_name = kmalloc(PATH_MAX, GFP_KERNEL); 3417 tmp_name = kmalloc(PATH_MAX, GFP_KERNEL);
3418 if (!tmp_name) 3418 if (!tmp_name)
3419 return NULL; 3419 goto out;
3420 } 3420 }
3421 3421
3422 rcu_read_lock(); 3422 rcu_read_lock();
@@ -3426,12 +3426,11 @@ static struct kmem_cache *memcg_create_kmem_cache(struct mem_cgroup *memcg,
3426 3426
3427 new = kmem_cache_create_memcg(memcg, tmp_name, s->object_size, s->align, 3427 new = kmem_cache_create_memcg(memcg, tmp_name, s->object_size, s->align,
3428 (s->flags & ~SLAB_PANIC), s->ctor, s); 3428 (s->flags & ~SLAB_PANIC), s->ctor, s);
3429
3430 if (new) 3429 if (new)
3431 new->allocflags |= __GFP_KMEMCG; 3430 new->allocflags |= __GFP_KMEMCG;
3432 else 3431 else
3433 new = s; 3432 new = s;
3434 3433out:
3435 mutex_unlock(&mutex); 3434 mutex_unlock(&mutex);
3436 return new; 3435 return new;
3437} 3436}