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From:   Joonsoo Kim <js1304@gmail.com>
Date:   Tue, 16 Jun 2020 15:09:46 +0900
Message-ID: <CAAmzW4MLAtPyLUbYRZJv5=kcbYRj3jH5MHzx-PkU51OqEt3b+g@mail.gmail.com>
Subject: Re: [PATCH 05/14] mm: workingset: let cache workingset challenge anon
To:     Johannes Weiner <hannes@cmpxchg.org>
Cc:     Vlastimil Babka <vbabka@suse.cz>,
        Linux Memory Management List <linux-mm@kvack.org>,
        Rik van Riel <riel@surriel.com>,
        Minchan Kim <minchan.kim@gmail.com>,
        Michal Hocko <mhocko@suse.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        LKML <linux-kernel@vger.kernel.org>, kernel-team@fb.com
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2020=EB=85=84 6=EC=9B=94 15=EC=9D=BC (=EC=9B=94) =EC=98=A4=ED=9B=84 10:41, =
Johannes Weiner <hannes@cmpxchg.org>=EB=8B=98=EC=9D=B4 =EC=9E=91=EC=84=B1:
>
> On Fri, Jun 12, 2020 at 12:19:58PM +0900, Joonsoo Kim wrote:
> > 2020=EB=85=84 6=EC=9B=94 5=EC=9D=BC (=EA=B8=88) =EC=98=A4=EC=A0=84 12:0=
6, Johannes Weiner <hannes@cmpxchg.org>=EB=8B=98=EC=9D=B4 =EC=9E=91=EC=84=
=B1:
> > >
> > > On Thu, Jun 04, 2020 at 03:35:27PM +0200, Vlastimil Babka wrote:
> > > > On 6/1/20 10:44 PM, Johannes Weiner wrote:
> > > > > From a8faceabc1454dfd878caee2a8422493d937a394 Mon Sep 17 00:00:00=
 2001
> > > > > From: Johannes Weiner <hannes@cmpxchg.org>
> > > > > Date: Mon, 1 Jun 2020 14:04:09 -0400
> > > > > Subject: [PATCH] mm: workingset: let cache workingset challenge a=
non fix
> > > >
> > > > Looks like the whole series is now in mainline (that was quick!) wi=
thout this
> > > > followup? As such it won't be squashed so perhaps the subject shoul=
d be more
> > > > "standalone" now, description referencing commit 34e58cac6d8f ("mm:=
 workingset:
> > > > let cache workingset challenge anon"), possibly with Fixes: tag etc=
...
> > >
> > > Yep, I'll send a stand-alone version of this. It was a bit fat to get
> > > squashed last minute anyway, and I don't mind having a bit of extra
> > > time to quantify the actual impact of this delta.
> >
> > Hello, Johannes.
> >
> > Now, a week has passed. I hope that this patch is merged as soon as pos=
sible,
> > since my WIP patchset depends on this patch. How about trying to merge
> > this patch now? If you don't mind, I could send it on your behalf.
>
> I didn't realize you directly depended on it, my apologies.

No problem.

> Do you depend on it code-wise or do you have test case that shows a
> the difference?

Code-wise. My patchset also requires activation counting for the anon
pages and conflict could occur in this case.

> Here is the latest version again, you can include it in your patch
> series until we get it merged. But I think we should be able to merge
> it as a follow-up fix into 5.8 still.

Yes. I will send it separately for 5.8. And, I will send some minor fixes, =
too.
It's appreciated if you review them.

Thanks.