From: Waiman Long <longman@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>,
Johannes Weiner <hannes@cmpxchg.org>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] cpuset: Fix incorrect memory_pressure control file mapping
Date: Thu, 24 Aug 2017 13:51:18 -0400 [thread overview]
Message-ID: <df066c62-931f-df9f-c1e9-7ea1afa4a205@redhat.com> (raw)
In-Reply-To: <20170824164524.GR491396@devbig577.frc2.facebook.com>
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@redhat.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
prev parent reply other threads:[~2017-08-24 17:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-24 16:04 [PATCH] cpuset: Fix incorrect memory_pressure control file mapping Waiman Long
2017-08-24 16:45 ` Tejun Heo
2017-08-24 17:51 ` Waiman Long [this message]
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