linux-kernel - Re: WARNING: at kernel/cpuset.c:1139

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Message-ID: <53D76452.10206@huawei.com>
Date:	Tue, 29 Jul 2014 17:07:30 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	Tejun Heo <tj@...nel.org>
CC:	Mike Qiu <qiudayu@...ux.vnet.ibm.com>, <cgroups@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: WARNING: at kernel/cpuset.c:1139

On 2014/7/29 3:20, Tejun Heo wrote:
> On Thu, Jul 24, 2014 at 08:27:40AM +0800, Li Zefan wrote:
>> On 2014/7/23 23:12, Tejun Heo wrote:
>>> On Wed, Jul 23, 2014 at 10:50:29AM +0800, Mike Qiu wrote:
>>>> commit 734d45130cb ("cpuset: update cs->effective_{cpus, mems} when config
>>>> changes") introduce the below warning in my server.
>>>>
>>>> [   35.652137] ------------[ cut here ]------------
>>>> [   35.652141] WARNING: at kernel/cpuset.c:1139
>>>
>>> Hah, can you reproduce it?  If so, can you detail how?
>>>
>>
>> It's a typo.
>>
>> WARN_ON(!cgroup_on_dfl(cp->css.cgroup) &&
>> 	nodes_equal(cp->mems_allowed, cp->effective_mems));
>>
>> should be
>>
>> WARN_ON(!cgroup_on_dfl(cp->css.cgroup) &&
>> 	!nodes_equal(cp->mems_allowed, cp->effective_mems));
> 
> Care to post a patch?
> 

Sorry for the delay. I had been off office for the last two weeks.
I'll do this tomorrow.

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