diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 39ce616a9d7162661cd5122405abb161a7e4349a..6d861d090e9fc79d39e2b48f57b1d9f4bc91463f 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -411,8 +411,8 @@ wb_congested_get_create(struct backing_dev_info *bdi, int blkcg_id, gfp_t gfp)
 
 	while (*node != NULL) {
 		parent = *node;
-		congested = container_of(parent, struct bdi_writeback_congested,
-					 rb_node);
+		congested = rb_entry(parent, struct bdi_writeback_congested,
+				     rb_node);
 		if (congested->blkcg_id < blkcg_id)
 			node = &parent->rb_left;
 		else if (congested->blkcg_id > blkcg_id)