Re: [PATCH 0/3] OOM detection rework v4

From	Michal Hocko <mhocko@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 0/3] OOM detection rework v4
Date	2015-12-29 17:30 +0100
Message-ID	<qL5jQ-2Vk-7@gated-at.bofh.it> (permalink)
References	<qG2wi-7PJ-13@gated-at.bofh.it> <qJdvd-6KI-35@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu 24-12-15 21:41:19, Tetsuo Handa wrote:
> I got OOM killers while running heavy disk I/O (extracting kernel source,
> running lxr's genxref command). (Environ: 4 CPUs / 2048MB RAM / no swap / XFS)
> Do you think these OOM killers reasonable? Too weak against fragmentation?

I will have a look at the oom report more closely early next week (I am
still in holiday mode) but it would be good to compare how the same load
behaves with the original implementation. It would be also interesting
to see how stable are the results (is there any variability in multiple
runs?).

Thanks!
-- 
Michal Hocko
SUSE Labs
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[PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2015-12-15 19:30 +0100
  [PATCH 2/3] mm: throttle on IO only when there are too many dirty and writeback pages Michal Hocko <mhocko@kernel.org> - 2015-12-15 19:30 +0100
  [PATCH 1/3] mm, oom: rework oom detection Michal Hocko <mhocko@kernel.org> - 2015-12-15 19:30 +0100
  Re: [PATCH 0/3] OOM detection rework v4 Andrew Morton <akpm@linux-foundation.org> - 2015-12-17 00:40 +0100
    Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2015-12-18 13:20 +0100
  Re: [PATCH 0/3] OOM detection rework v4 Andrew Morton <akpm@linux-foundation.org> - 2015-12-17 01:00 +0100
    Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2015-12-18 14:20 +0100
      Re: [PATCH 0/3] OOM detection rework v4 Johannes Weiner <hannes@cmpxchg.org> - 2015-12-18 17:40 +0100
  Re: [PATCH 0/3] OOM detection rework v4 Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2015-12-24 13:50 +0100
    Re: [PATCH 0/3] OOM detection rework v4 Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2015-12-28 13:10 +0100
      Re: [PATCH 0/3] OOM detection rework v4 Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2015-12-28 15:20 +0100
      Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2015-12-29 17:40 +0100
        Re: [PATCH 0/3] OOM detection rework v4 Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2015-12-30 16:10 +0100
    Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2015-12-29 17:30 +0100

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