linux-kernel - Re: [PATCH 1/5] oom: select_bad_process: check PF

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Message-Id: <20100602223612.F52D.A69D9226@jp.fujitsu.com>
Date:	Wed,  2 Jun 2010 22:54:03 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	kosaki.motohiro@...fujitsu.com, Oleg Nesterov <oleg@...hat.com>,
	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 1/5] oom: select_bad_process: check PF_KTHREAD instead of !mm to skip kthreads

> On Tue, 1 Jun 2010, Oleg Nesterov wrote:
> 
> > But yes, I agree, the problem is minor. But nevertheless it is bug,
> > the longstanding bug with the simple fix. Why should we "hide" this fix
> > inside the long series of non-trivial patches which rewrite oom-killer?
> > And it is completely orthogonal to other changes.
> > 
> 
> Again, the question is whether or not the fix is rc material or not, 
> otherwise there's no difference in the route that it gets upstream: the 
> patch is duplicated in both series.  If you feel that this minor issue 
> (which has never been reported in at least the last three years and 
> doesn't have any side effects other than a couple of millisecond delay 
> until unuse_mm() when the oom killer will kill something else) should be 
> addressed in 2.6.35-rc2, then that's a conversation to be had with Andrew.

Well, we have bugfix-at-first development rule. Why do you refuse our
development process?



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