linux-kernel - Re: [PATCH] cpuset: Fix incorrect memory

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Message-ID: <20170824164524.GR491396@devbig577.frc2.facebook.com>
Date:   Thu, 24 Aug 2017 09:45:24 -0700
From:   Tejun Heo <tj@...nel.org>
To:     Waiman Long <longman@...hat.com>
Cc:     Li Zefan <lizefan@...wei.com>,
        Johannes Weiner <hannes@...xchg.org>, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpuset: Fix incorrect memory_pressure control file
 mapping

On Thu, Aug 24, 2017 at 12:04:29PM -0400, Waiman Long wrote:
> The memory_pressure control file was incorrectly set up without
> a private value (0, by default). As a result, this control
> file was treated like memory_migrate on read. By adding back the
> FILE_MEMORY_PRESSURE private value, the correct memory pressure value
> will be returned.
> 
> Signed-off-by: Waiman Long <longman@...hat.com>

Oops, applied to cgroup/for-4.13-fixes w/ stable cc'd.  I broke it way
back in v4.4 which makes me wonder whether anybody is actually using
it.

Thanks a lot for catching it.

-- 
tejun