Re: Re: Re: Re: [PATCH 2/2] mm, oom: fix potential data corruption when oom_reaper races with writer

From	Michal Hocko <mhocko@kernel.org>
Newsgroups	linux.kernel
Subject	Re: Re: Re: Re: [PATCH 2/2] mm, oom: fix potential data corruption when oom_reaper races with writer
Date	2017-08-17 16:00 +0200
Message-ID	<uftv4-5CX-17@gated-at.bofh.it> (permalink)
References	<ueJ8S-1g7-15@gated-at.bofh.it> <ueJ8S-1g7-13@gated-at.bofh.it> <uftv4-5CX-19@gated-at.bofh.it>
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On Tue 15-08-17 21:58:29, Tetsuo Handa wrote:
[...]
> If I apply this patch, I can no longer reproduce this problem even with btrfs.
> 
> -+ * and could cause a memory corruption (zero pages instead of the
> -+ * original content).
> ++ * and could cause a memory corruption (random content instead of the
> ++ * original content).

If anything then I would word it this way

and could cause a memory corruption (zero pages for refaults but even a
random content has been observed but never explained properly)

> Tested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>

Thanks
-- 
Michal Hocko
SUSE Labs

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Re: [PATCH 2/2] mm, oom: fix potential data corruption when  oom_reaper races with writer Michal Hocko <mhocko@kernel.org> - 2017-08-14 16:00 +0200
  Re: Re: [PATCH 2/2] mm, oom: fix potential data corruption when  oom_reaper races with writer Michal Hocko <mhocko@kernel.org> - 2017-08-15 09:00 +0200
  Re: Re: [PATCH 2/2] mm, oom: fix potential data corruption when  oom_reaper races with writer Michal Hocko <mhocko@kernel.org> - 2017-08-15 10:50 +0200
    Re: Re: Re: [PATCH 2/2] mm, oom: fix potential data corruption when  oom_reaper races with writer Michal Hocko <mhocko@kernel.org> - 2017-08-15 14:30 +0200
      Re: Re: Re: Re: [PATCH 2/2] mm, oom: fix potential data corruption  when oom_reaper races with writer Michal Hocko <mhocko@kernel.org> - 2017-08-17 16:00 +0200

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