The patch titled
Subject: mm-vmscan-dont-change-pgdat-state-on-base-of-a-single-lru-list-state-v3
has been added to the -mm tree. Its filename is
mm-vmscan-dont-change-pgdat-state-on-base-of-a-single-lru-list-state-v3.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vmscan-dont-change-pgdat-state-on-base-of-a-single-lru-list-state-v3.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmscan-dont-change-pgdat-state-on-base-of-a-single-lru-list-state-v3.patch
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------------------------------------------------------
From: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Subject: mm-vmscan-dont-change-pgdat-state-on-base-of-a-single-lru-list-state-v3
Check nr_writeback against all nr_taken, not just file (Johannes)
Link: http://lkml.kernel.org/r/20180406180254.8970-1-aryabinin@xxxxxxxxxxxxx
Signed-off-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN mm/vmscan.c~mm-vmscan-dont-change-pgdat-state-on-base-of-a-single-lru-list-state-v3 mm/vmscan.c
--- a/mm/vmscan.c~mm-vmscan-dont-change-pgdat-state-on-base-of-a-single-lru-list-state-v3
+++ a/mm/vmscan.c
@@ -124,6 +124,7 @@ struct scan_control {
unsigned int writeback;
unsigned int immediate;
unsigned int file_taken;
+ unsigned int taken;
} nr;
};
@@ -1782,6 +1783,7 @@ shrink_inactive_list(unsigned long nr_to
sc->nr.unqueued_dirty += stat.nr_unqueued_dirty;
sc->nr.writeback += stat.nr_writeback;
sc->nr.immediate += stat.nr_immediate;
+ sc->nr.taken += nr_taken;
if (file)
sc->nr.file_taken += nr_taken;
@@ -2569,7 +2571,7 @@ static bool shrink_node(pg_data_t *pgdat
* number of pages under pages flagged for immediate reclaim and
* stall if any are encountered in the nr_immediate check below.
*/
- if (sc->nr.writeback && sc->nr.writeback == sc->nr.file_taken)
+ if (sc->nr.writeback && sc->nr.writeback == sc->nr.taken)
set_bit(PGDAT_WRITEBACK, &pgdat->flags);
/*
_
Patches currently in -mm which might be from aryabinin@xxxxxxxxxxxxx are
mm-vmscan-update-stale-comments.patch
mm-vmscan-remove-redundant-current_may_throttle-check.patch
mm-vmscan-dont-change-pgdat-state-on-base-of-a-single-lru-list-state-v2.patch
mm-vmscan-dont-change-pgdat-state-on-base-of-a-single-lru-list-state-v3.patch
mm-vmscan-dont-mess-with-pgdat-flags-in-memcg-reclaim-v2.patch
mm-vmscan-dont-mess-with-pgdat-flags-in-memcg-reclaim-v2-fix.patch
mm-vmscan-dont-mess-with-pgdat-flags-in-memcg-reclaim-v3.patch
mm-kasan-dont-vfree-nonexistent-vm_area.patch
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