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From: Andrew Morton <akpm@linux-foundation.org>
To: Yafang Shao <laoar.shao@gmail.com>
Cc: linux-mm@kvack.org
Subject: Re: [PATCH v4] mm: introduce validity check on vm dirtiness settings
Date: Tue, 26 Sep 2017 19:54:09 -0700	[thread overview]
Message-ID: <20170926195409.0867d13620e1219ca6676821@linux-foundation.org> (raw)
In-Reply-To: <CALOAHbB2CTfjAWgazxdAQTiOjCZFHF8Cn2mXv=kFe3prp_zg-A@mail.gmail.com>

On Wed, 27 Sep 2017 09:38:21 +0800 Yafang Shao <laoar.shao@gmail.com> wrote:

> > And existing scripts which do not do this will cease to work correctly,
> > no?
> >
> 
> The existing scritpts won't work correctly. That's also what I have
> worried before.
> 
> But under this condition, there's a error message generated by "sysctl
> -w" to tell them the first setting was failure.
> This error message may be a reminder to them that there are some
> connections between background and direct limit, and should not set
> arbitrary.
> May that's better. I'm not sure.

Maybe we can leave the logic as-is and simply print a warning when an
illogical state exists.

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  reply	other threads:[~2017-09-27  2:54 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-21 23:12 Yafang Shao
2017-09-26 23:59 ` Andrew Morton
2017-09-27  1:38   ` Yafang Shao
2017-09-27  2:54     ` Andrew Morton [this message]
2017-09-27  4:14       ` Yafang Shao
2017-09-27 19:33         ` Andrew Morton
2017-09-28  1:27           ` Yafang Shao
2017-09-29  1:19 ` [lkp-robot] [mm] d33dff8a27: autotest.linus_stress.fail kernel test robot
  -- strict thread matches above, loose matches on Subject: below --
2017-09-21 13:59 [PATCH v4] mm: introduce validity check on vm dirtiness settings Yafang Shao
2017-09-21 11:52 ` Jan Kara

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