linux-kernel - Re: [PATCH v6 5/6] mm/swap: implement workingset detection for anonymous LRU

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Message-ID: <CAAmzW4OxEhb0WgXwr2aVsZcC=w+X9yS9Kx8URO4mnbFMbkv_6g@mail.gmail.com>
Date:   Fri, 3 Jul 2020 09:51:56 +0900
From:   Joonsoo Kim <js1304@...il.com>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Hugh Dickins <hughd@...gle.com>,
        Minchan Kim <minchan@...nel.org>,
        Mel Gorman <mgorman@...hsingularity.net>, kernel-team@....com,
        Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH v6 5/6] mm/swap: implement workingset detection for
 anonymous LRU

2020년 7월 2일 (목) 오후 10:37, Vlastimil Babka <vbabka@...e.cz>님이 작성:
>
> On 6/17/20 7:26 AM, js1304@...il.com wrote:
> > From: Joonsoo Kim <iamjoonsoo.kim@....com>
> >
> > This patch implements workingset detection for anonymous LRU.
> > All the infrastructure is implemented by the previous patches so this patch
> > just activates the workingset detection by installing/retrieving
> > the shadow entry.
> >
> > Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>
>
> Acked-by: Vlastimil Babka <vbabka@...e.cz>
>
> > diff --git a/mm/workingset.c b/mm/workingset.c
> > index 8395e60..3769ae6 100644
> > --- a/mm/workingset.c
> > +++ b/mm/workingset.c
> > @@ -353,8 +353,9 @@ void workingset_refault(struct page *page, void *shadow)
> >       /*
> >        * Compare the distance to the existing workingset size. We
> >        * don't activate pages that couldn't stay resident even if
> > -      * all the memory was available to the page cache. Whether
> > -      * cache can compete with anon or not depends on having swap.
> > +      * all the memory was available to the workingset. Whether
> > +      * workingset competetion need to consider anon or not depends
>
>                       competition needs

Will fix it.

Thanks.