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

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Message-ID: <df066c62-931f-df9f-c1e9-7ea1afa4a205@redhat.com>
Date:   Thu, 24 Aug 2017 13:51:18 -0400
From:   Waiman Long <longman@...hat.com>
To:     Tejun Heo <tj@...nel.org>
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 08/24/2017 12:45 PM, Tejun Heo wrote:
> 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.

Probably not.

Cheers,
Longman