linux-kernel - Re: [PATCH] mm: check zone->all_unreclaimable in all

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Message-Id: <20110509182110.167F.A69D9226@jp.fujitsu.com>
Date:	Mon,  9 May 2011 18:19:30 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	CAI Qian <caiqian@...hat.com>
Cc:	kosaki.motohiro@...fujitsu.com, avagin@...il.com,
	Andrey Vagin <avagin@...nvz.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Minchan Kim <minchan.kim@...il.com>
Subject: Re: [PATCH] mm: check zone->all_unreclaimable in all_unreclaimable()

> > > I have tested this for the latest mainline kernel using the
> > > reproducer
> > > attached, the system just hung or deadlock after oom. The whole oom
> > > trace is here.
> > > http://people.redhat.com/qcai/oom.log
> > >
> > > Did I miss anything?
> > 
> > Can you please try commit 929bea7c714220fc76ce3f75bef9056477c28e74?
> As I have mentioned that I have tested the latest mainline which have
> already included that fix. Also, does this problem only for x86? The
> testing was done using x86_64. Not sure if that would be a problem.

No. I'm also using x86_64 and my machine completely works on current
latest linus tree. I confirmed it today.




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