linux-kernel - Re: [patch 1/7 -mm] oom: filter tasks not sharing the same cpuset

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Date:	Tue, 16 Feb 2010 15:01:33 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	David Rientjes <rientjes@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Nick Piggin <npiggin@...e.de>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Lubos Lunak <l.lunak@...e.cz>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [patch 1/7 -mm] oom: filter tasks not sharing the same cpuset


typo.

> But this explanation is irrelevant and meaningless. CPUSET can change

s/CPUSET/mempolicy/

> restricted node dynamically. So, the tsk->mempolicy at oom time doesn't
> represent the place of task's usage memory. plus, OOM_DISABLE can 
> always makes undesirable result. it's not special in this case.
> 
> The fact is, both current and your heuristics have a corner case. it's
> obvious. (I haven't seen corner caseless heuristics). then talking your
> patch's merit doesn't help to merge the patch. The most important thing
> is, we keep no regression. personally, I incline your one. but It doesn't
> mean we can ignore its demerit.
> 
> 
> 



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