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

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Message-ID: <20140816122028.GC9305@htj.dyndns.org>
Date:	Sat, 16 Aug 2014 08:20:28 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Cong Wang <xiyou.wangcong@...il.com>
Cc:	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 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.

Thanks.

-- 
tejun
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