linux-kernel - Re: [PATCH -mm V2] do_migrate_pages() calls migrate_to_node() even if task is already on a correct node

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Message-ID: <4F96E102.9000904@redhat.com>
Date:	Tue, 24 Apr 2012 13:21:06 -0400
From:	Rik van Riel <riel@...hat.com>
To:	lwoodman@...hat.com
CC:	KOSAKI Motohiro <kosaki.motohiro@...il.com>, linux-mm@...ck.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Christoph Lameter <cl@...ux.com>,
	Motohiro Kosaki <mkosaki@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH -mm V2] do_migrate_pages() calls migrate_to_node() even
 if task is already on a correct node

On 04/24/2012 01:16 PM, Larry Woodman wrote:
> On 04/24/2012 12:19 PM, KOSAKI Motohiro wrote:

>> Please use
>>
>> /*
>> * foo bar
>> */
>>
>> style comment. and this comment only explain how code work but don't
>> explain why.
>> I hope the comment describe HPC usecase require to migrate if src and
>> dest have the
>> same weight.

> How does this look:

Still does not explain the "why"...

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