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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Message-ID: <4F6B6DEA.3090408@redhat.com>
Date:	Thu, 22 Mar 2012 14:22:34 -0400
From:	Rik van Riel <riel@...hat.com>
To:	lwoodman@...hat.com
CC:	linux-mm@...ck.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	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 02:14 PM, Larry Woodman wrote:

> With this change we only migrate from nodes that are not in the
> destination nodesets:

That's a pretty obvious improvement :)

> Migrating 7 to 4
> Migrating 6 to 3
> Migrating 5 to 4
> Migrating 2 to 3
> Migrating 1 to 4
> Migrating 0 to 3
>
> Signed-off-by: Larry Woodman<lwoodman@...hat.com>

Acked-by: Rik van Riel <riel@...hat.com>

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