Re: mm: kswapd struggles reclaiming the pages on 64GB server

From	Andriy Tkachuk <andriy.tkachuk@seagate.com>
Newsgroups	linux.kernel
Subject	Re: mm: kswapd struggles reclaiming the pages on 64GB server
Date	2016-08-23 17:20 +0200
Message-ID	<s9lEB-5Js-19@gated-at.bofh.it> (permalink)
References	<s5rIB-6JV-5@gated-at.bofh.it> <s92iC-1rh-11@gated-at.bofh.it> <s96cy-3WR-21@gated-at.bofh.it>
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Well, as appeared - the patch did not affect the problem at all since
the memory cgroup was on (in which case zone's inactive_ratio is not
used, but the ratio is calculated directly at
mem_cgroup_inactive_anon_is_low()). So the patch will be retested with
memory cgroup off.

  Andriy

On Mon, Aug 22, 2016 at 11:46 PM, Andriy Tkachuk
<andriy.tkachuk@seagate.com> wrote:
> On Mon, Aug 22, 2016 at 7:37 PM, Andriy Tkachuk
> <andriy.tkachuk@seagate.com> wrote:
>>
>> The following patch resolved the problem:
>> ...
>
> Sorry, I was too hurry in sending good news. As appeared - the problem
> is still there:
>

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mm: kswapd struggles reclaiming the pages on 64GB server Andriy Tkachuk <andriy.tkachuk@seagate.com> - 2016-08-12 23:00 +0200
  Re: mm: kswapd struggles reclaiming the pages on 64GB server Michal Hocko <mhocko@kernel.org> - 2016-08-17 13:50 +0200
    Re: mm: kswapd struggles reclaiming the pages on 64GB server Andriy Tkachuk <andriy.tkachuk@seagate.com> - 2016-08-22 20:20 +0200
  Re: mm: kswapd struggles reclaiming the pages on 64GB server Andriy Tkachuk <andriy.tkachuk@seagate.com> - 2016-08-19 03:10 +0200
  Re: mm: kswapd struggles reclaiming the pages on 64GB server Andriy Tkachuk <andriy.tkachuk@seagate.com> - 2016-08-22 20:20 +0200
  Re: mm: kswapd struggles reclaiming the pages on 64GB server Andriy Tkachuk <andriy.tkachuk@seagate.com> - 2016-08-22 20:40 +0200
    Re: mm: kswapd struggles reclaiming the pages on 64GB server Andriy Tkachuk <andriy.tkachuk@seagate.com> - 2016-08-23 00:50 +0200
      Re: mm: kswapd struggles reclaiming the pages on 64GB server Andriy Tkachuk <andriy.tkachuk@seagate.com> - 2016-08-23 17:20 +0200

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