linux-kernel - Re: [PATCH 0/2] initial while_each

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Message-ID: <CAJ75kXbFfPcEQ5z8GQiZUJBSp+WA5n1BQhERGNky_CX3-AYtRA@mail.gmail.com>
Date:	Tue, 3 Dec 2013 21:28:33 +0100
From:	William Dauchy <wdauchy@...il.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mandeep Singh Baines <msb@...omium.org>,
	"Ma, Xindong" <xindong.ma@...el.com>,
	Michal Hocko <mhocko@...e.cz>,
	Sameer Nanda <snanda@...omium.org>,
	Sergey Dyasly <dserrg@...il.com>,
	"Tu, Xiaobing" <xiaobing.tu@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] initial while_each_thread() fixes

On Tue, Dec 3, 2013 at 9:22 PM, Oleg Nesterov <oleg@...hat.com> wrote:
>> Before this patch, I was testing this one
>> https://lkml.org/lkml/2013/11/13/336
>
> perhaps this patch makes more sense for stable.

I guess we should consider it.

> But, to clarify just in case, it is not needed after this series.
>
>> which is fixing my oom issues.
>
> Yes, but it doesn't fix all problems even in mm/oom_kill.c, and
> we need to fix while_each_thread() anyway.
>
>> I applied the two patches on top of a 3.10.x and got some tasks
>> stalled after the first OOM:
>
> So you are saying that this was introduced by this series?

yes, without thse two patches I can't reproduce my issue.

> Could you retest with the recent kernel?

I'll see if I find time for it; will keep you up to date.

Thanks,

-- 
William
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