memcg: don't initialize kmem-cache destroying work for root caches

[cascardo/linux.git] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c290a1c..c5792a5 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3195,11 +3195,11 @@ int memcg_register_cache(struct mem_cgroup *memcg, struct kmem_cache *s,
        if (!s->memcg_params)
                return -ENOMEM;
 
-       INIT_WORK(&s->memcg_params->destroy,
-                       kmem_cache_destroy_work_func);
        if (memcg) {
                s->memcg_params->memcg = memcg;
                s->memcg_params->root_cache = root_cache;
+               INIT_WORK(&s->memcg_params->destroy,
+                               kmem_cache_destroy_work_func);
        } else
                s->memcg_params->is_root_cache = true;