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Date: Fri, 30 Mar 2012 15:49:11 -0500 (CDT)
From: Christoph Lameter <cl@linux.com>
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To: Larry Woodman <lwoodman@redhat.com>
cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>, linux-mm@kvack.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Rik van Riel <riel@redhat.com>, Motohiro Kosaki <mkosaki@redhat.com>
Subject: Re: [PATCH -mm] do_migrate_pages() calls migrate_to_node() even if
 task is already on a correct node
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On Fri, 30 Mar 2012, Larry Woodman wrote:

> of nodes.
> >   I would think that the 1-1 movement
> > is only useful to do if the number of nodes in both the destination and
> > the source is the same.
> Agreed, thats exactly what this patch does.  are you OK with this change
> then???

Please add to the patch description some explanation how this patch
changes the way page migration does things.