diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 2857d4f..5025174 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -259,7 +259,7 @@
 	int err;
 
 	bdi_wq = alloc_workqueue("writeback", WQ_MEM_RECLAIM | WQ_FREEZABLE |
-					      WQ_UNBOUND, 0);
+					      WQ_UNBOUND | WQ_SYSFS, 0);
 	if (!bdi_wq)
 		return -ENOMEM;