From: Christoph Lameter <cl@linux-foundation.org>
To: Bob Liu <lliubbo@gmail.com>
Cc: Mel Gorman <mel@csn.ul.ie>,
kamezawa.hiroyu@jp.fujitsu.com, minchan.kim@gmail.com,
akpm@linux-foundation.org, linux-mm@kvack.org,
andi@firstfloor.org, rientjes@google.com,
lee.schermerhorn@hp.com
Subject: Re: [PATCH] mempolicy:add GFP_THISNODE when allocing new page
Date: Thu, 15 Apr 2010 19:41:28 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1004151939310.17800@router.home> (raw)
In-Reply-To: <q2ycf18f8341004130728hf560f5cdpa8704b7031a0076d@mail.gmail.com>
On Tue, 13 Apr 2010, Bob Liu wrote:
> If move to the next node instead of early return, the relative position of the
> page to the beginning of the node set will be break;
Right.
> (BTW:I am still not very clear about the preservation of the relative
> position of the
> page to the beginning of the node set. I think if the user call
> migrate_pages() with
> different count of src and dest nodes, the relative position will also break.
> eg. if call migrate_pags() from nodes is node(1,2,3) , dest nodes is
> just node(3).
> the current code logical will move pages in node 1, 2 to node 3. this case the
> relative position is breaked).
But in that case the user has specified that the set of nodes should be
compacted during migration and therefore requested what ocurred.
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next prev parent reply other threads:[~2010-04-16 0:42 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-06 2:59 Bob Liu
2010-04-06 4:33 ` Minchan Kim
2010-04-06 4:56 ` Bob Liu
2010-04-06 5:06 ` Minchan Kim
2010-04-13 8:19 ` KAMEZAWA Hiroyuki
2010-04-13 8:20 ` Bob Liu
2010-04-13 8:38 ` Mel Gorman
2010-04-13 14:28 ` Bob Liu
2010-04-16 0:41 ` Christoph Lameter [this message]
2010-04-16 1:02 ` Bob Liu
2010-04-16 16:02 ` Christoph Lameter
2010-04-16 11:15 ` Mel Gorman
2010-04-16 15:03 ` Bob Liu
2010-04-16 15:55 ` Christoph Lameter
2010-04-17 13:54 ` Bob Liu
2010-04-19 17:47 ` Christoph Lameter
2010-04-20 2:08 ` Bob Liu
2010-04-21 14:13 ` Christoph Lameter
2010-04-22 1:03 ` Bob Liu
2010-04-22 14:38 ` Christoph Lameter
2010-04-13 8:27 ` Minchan Kim
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