The quilt patch titled
Subject: mm: fix shrink nr.unqueued_dirty counter issue
has been removed from the -mm tree. Its filename was
mm-fix-shrink-nrunqueued_dirty-counter-issue.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Zhiguo Jiang <justinjiang@xxxxxxxx>
Subject: mm: fix shrink nr.unqueued_dirty counter issue
Date: Fri, 12 Jan 2024 09:23:52 +0800
It is needed to ensure sc->nr.unqueued_dirty > 0, which can avoid setting
PGDAT_DIRTY flag when sc->nr.unqueued_dirty and sc->nr.file_taken are both
zero.
Link: https://lkml.kernel.org/r/20240112012353.1387-1-justinjiang@xxxxxxxx
Signed-off-by: Zhiguo Jiang <justinjiang@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/mm/vmscan.c~mm-fix-shrink-nrunqueued_dirty-counter-issue
+++ a/mm/vmscan.c
@@ -5990,7 +5990,8 @@ again:
set_bit(PGDAT_WRITEBACK, &pgdat->flags);
/* Allow kswapd to start writing pages during reclaim.*/
- if (sc->nr.unqueued_dirty == sc->nr.file_taken)
+ if (sc->nr.unqueued_dirty &&
+ sc->nr.unqueued_dirty == sc->nr.file_taken)
set_bit(PGDAT_DIRTY, &pgdat->flags);
/*
_
Patches currently in -mm which might be from justinjiang@xxxxxxxx are
