The patch titled
Subject: mm/vmscan.c: fix recent_rotated history
has been added to the -mm tree. Its filename is
mm-fix-recent_rotated-history.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-fix-recent_rotated-history.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-fix-recent_rotated-history.patch
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------------------------------------------------------
From: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
Subject: mm/vmscan.c: fix recent_rotated history
Johannes pointed that after 886cf1901db9 we lost all
zone_reclaim_stat::recent_rotated history. This commit fixes that.
Link: http://lkml.kernel.org/r/155905972210.26456.11178359431724024112.stgit@localhost.localdomain
Fixes: 886cf1901db9 ("mm: move recent_rotated pages calculation to shrink_inactive_list()")
Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
Reported-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/vmscan.c~mm-fix-recent_rotated-history
+++ a/mm/vmscan.c
@@ -1953,8 +1953,8 @@ shrink_inactive_list(unsigned long nr_to
if (global_reclaim(sc))
__count_vm_events(item, nr_reclaimed);
__count_memcg_events(lruvec_memcg(lruvec), item, nr_reclaimed);
- reclaim_stat->recent_rotated[0] = stat.nr_activate[0];
- reclaim_stat->recent_rotated[1] = stat.nr_activate[1];
+ reclaim_stat->recent_rotated[0] += stat.nr_activate[0];
+ reclaim_stat->recent_rotated[1] += stat.nr_activate[1];
move_pages_to_lru(lruvec, &page_list);
_
Patches currently in -mm which might be from ktkhai@xxxxxxxxxxxxx are
mm-fix-recent_rotated-history.patch
