diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7f0e3571df7e..6c055929c8cc 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1021,9 +1021,6 @@ void __mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx)
 {
 	struct mem_cgroup *memcg;
 
-	if (!mm)
-		return;
-
 	rcu_read_lock();
 	memcg = mem_cgroup_from_task(rcu_dereference(mm->owner));
 	if (unlikely(!memcg))