1 files changed, 3 insertions, 1 deletions

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 09255ec8159c..fbb60b103e64 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3030,7 +3030,9 @@ int memcg_register_cache(struct mem_cgroup *memcg, struct kmem_cache *s,
         if (memcg) {
                 s->memcg_params->memcg = memcg;
                 s->memcg_params->root_cache = root_cache;
-        }
+        } else
+                s->memcg_params->is_root_cache = true;
+
         return 0;
 }