diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6b6bb1bb620970d2081b64bad79db9d43d504f8f..42fd620dcf4cf3fb00a68c08f5389a1067213f7c 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -335,7 +335,7 @@ static void cluster_list_add_tail(struct swap_cluster_list *list,
 		ci_tail = ci + tail;
 		spin_lock_nested(&ci_tail->lock, SINGLE_DEPTH_NESTING);
 		cluster_set_next(ci_tail, idx);
-		unlock_cluster(ci_tail);
+		spin_unlock(&ci_tail->lock);
 		cluster_set_next_flag(&list->tail, idx, 0);
 	}
 }