linux-kernel - Re: [PATCH 08/12] oom: dump_tasks() use find_lock_task

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Message-ID: <alpine.DEB.2.00.1006031617070.30302@chino.kir.corp.google.com>
Date:	Thu, 3 Jun 2010 16:18:06 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Oleg Nesterov <oleg@...hat.com>
cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	"Luis Claudio R. Goncalves" <lclaudio@...g.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Nick Piggin <npiggin@...e.de>
Subject: Re: [PATCH 08/12] oom: dump_tasks() use find_lock_task_mm() too

On Fri, 4 Jun 2010, Oleg Nesterov wrote:

> On 06/03, David Rientjes wrote:
> >
> > On Thu, 3 Jun 2010, Oleg Nesterov wrote:
> >
> > > (off-topic)
> > >
> > > out_of_memory() calls dump_header()->dump_tasks() lockless, we
> > > need tasklist.
> 
> forgot to mention, __out_of_memory() too.
> 
> > Already fixed in my rewrite patchset, as most of these things are.  Sigh.
> 
> In 3/18, without any note in the changelog. Another minor thing
> which can be fixed before rewrite.
> 

It's _not_ rc material, we don't merge patches into rc kernels where the 
end result is panic() in all cases anyway.
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