linux-kernel - Re: [Patch v4 1/2] freezer: check OOM kill while being frozen

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Message-ID: <CAM_iQpUJONZ7UWTzJoqsbYfHsp5HnRVR-mhpP_kvR3AUafELqQ@mail.gmail.com>
Date:	Fri, 5 Sep 2014 09:31:50 -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 v4 1/2] freezer: check OOM kill while being frozen

On Fri, Sep 5, 2014 at 7:08 AM, Tejun Heo <tj@...nel.org> wrote:
>> +     /* It might not be safe to check TIF_MEMDIE for pm freeze. */
>
> This is just another representation of the following code which isn't
> particularly useful.  Wouldn't it be better if the comment actually
> explains why this might not be safe?
>

I don't know actually, I never understand pm code, just don't
want to take the risk of breaking it as you told. :)
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