Revert "bdi: Do not use freezable workqueue"

This reverts commit c801b7e. This commit causes devices to randomly freeze on 4.14 and 4.19 kernels. This happens mostly during suspend. Force restarting the device via button combination leaves no ramoops or logs.
freak07 · Aug 11, 2021 · 89b1e3a · 89b1e3a
1 parent ce4fbe4
commit 89b1e3a
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
@@ -247,8 +247,8 @@ static int __init default_bdi_init(void)
 {
 	int err;
 
-	bdi_wq = alloc_workqueue("writeback", WQ_MEM_RECLAIM | WQ_UNBOUND |
-				 WQ_SYSFS, 0);
+	bdi_wq = alloc_workqueue("writeback", WQ_MEM_RECLAIM | WQ_FREEZABLE |
+					      WQ_UNBOUND | WQ_SYSFS, 0);
 	if (!bdi_wq)
 		return -ENOMEM;