diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index f032e6e..2ef0dc9 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -505,7 +505,7 @@
 	list_del_rcu(&bdi->bdi_list);
 	spin_unlock_bh(&bdi_lock);
 
-	synchronize_rcu();
+	synchronize_rcu_expedited();
 }
 
 int bdi_register(struct backing_dev_info *bdi, struct device *parent,