linux-kernel - Re: [Patch v3 1/2] freezer: check OOM kill while being frozen

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Message-ID: <CAM_iQpVtuMw_yJDJ90LiUzNqL_UBBvrJf8Zd+erD7+iFCxiORg@mail.gmail.com>
Date:	Sat, 16 Aug 2014 11:58:05 -0700
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	David Rientjes <rientjes@...gle.com>,
	Michal Hocko <mhocko@...e.cz>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [Patch v3 1/2] freezer: check OOM kill while being frozen

On Sat, Aug 16, 2014 at 5:20 AM, Tejun Heo <tj@...nel.org> wrote:
> On Thu, Aug 14, 2014 at 02:15:25PM -0700, Cong Wang wrote:
>> +static bool should_thaw_current(bool check_kthr_stop)
>> +{
>> +     if (!freezing(current) ||
>> +         (check_kthr_stop && kthread_should_stop()) ||
>> +         test_thread_flag(TIF_MEMDIE))
>> +             return true;
>> +     else
>> +             return false;
>> +}
>
> I'm not sure this is safe w.r.t. hibernation.  Please cc Rafael on
> freezer related changes.
>

Rafael has been Cc'ed from the beginning. :)

Rafael, any objection?
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