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Message-ID: <0354e97d-ecc5-f150-7b36-410984c666db@virtuozzo.com> Date: Wed, 29 May 2019 11:30:09 +0300 From: Kirill Tkhai <ktkhai@...tuozzo.com> To: akpm@...ux-foundation.org, daniel.m.jordan@...cle.com, mhocko@...e.com, hannes@...xchg.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] mm: Fix recent_rotated history Missed Johannes :( CC On 28.05.2019 19:09, Kirill Tkhai wrote: > Johannes pointed that after commit 886cf1901db9 > we lost all zone_reclaim_stat::recent_rotated > history. This commit fixes that. > > Fixes: 886cf1901db9 "mm: move recent_rotated pages calculation to shrink_inactive_list()" > Reported-by: Johannes Weiner <hannes@...xchg.org> > Signed-off-by: Kirill Tkhai <ktkhai@...tuozzo.com> > --- > mm/vmscan.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/vmscan.c b/mm/vmscan.c > index d9c3e873eca6..1d49329a4d7d 100644 > --- a/mm/vmscan.c > +++ b/mm/vmscan.c > @@ -1953,8 +1953,8 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, > 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); > >
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