diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 80840e026c2f..894a24d5ec55 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2246,7 +2246,7 @@ static void drain_all_stock(struct mem_cgroup *root_memcg)
 		if (memcg && stock->nr_pages &&
 		    mem_cgroup_is_descendant(memcg, root_memcg))
 			flush = true;
-		if (obj_stock_flush_required(stock, root_memcg))
+		else if (obj_stock_flush_required(stock, root_memcg))
 			flush = true;
 		rcu_read_unlock();