diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index f08a0dc..69c09ef 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3709,6 +3709,10 @@ static void memcg_offline_kmem(struct mem_cgroup *memcg)
 
 	memcg_reparent_objcgs(memcg, parent);
 
+	/*
+	 * memcg_drain_all_list_lrus() can change memcg->kmemcg_id.
+	 * Cache it to local @kmemcg_id.
+	 */
 	kmemcg_id = memcg->kmemcg_id;
 
 	/*
@@ -3717,7 +3721,7 @@ static void memcg_offline_kmem(struct mem_cgroup *memcg)
 	 * The ordering is imposed by list_lru_node->lock taken by
 	 * memcg_drain_all_list_lrus().
 	 */
-	memcg_drain_all_list_lrus(kmemcg_id, parent);
+	memcg_drain_all_list_lrus(memcg, parent);
 
 	memcg_free_cache_id(kmemcg_id);
 }