linux-kernel - Re: [PATCH -mm] do_migrate_pages() calls migrate_to_node() even if task is already on a correct node

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Date:	Thu, 22 Mar 2012 14:49:21 -0400
From:	Larry Woodman <lwoodman@...hat.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
CC:	Christoph Lameter <cl@...ux.com>, linux-mm@...ck.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>,
	Motohiro Kosaki <mkosaki@...hat.com>
Subject: Re: [PATCH -mm] do_migrate_pages() calls migrate_to_node() even if
 task is already on a correct node

On 03/22/2012 02:45 PM, KOSAKI Motohiro wrote:
> CC to Christoph.
>
>
Sorry Christoph I meant to cc you on the original message!

Larry

> Wait.
>
> This may be non-optimal for cpusets, but maybe optimal migrate_pages, 
> especially
> the usecase is HPC. I guess this is intended behavior. I think we need 
> to hear
> Christoph's intention.
>
> But, I'm not against this if he has no objection.
>
>

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