linux-kernel - Re: [RFC PATCH 0/3 V1] mm: add new migrate type and online

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Date:	Wed, 04 Jul 2012 16:43:46 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Minchan Kim <minchan@...nel.org>
CC:	Mel Gorman <mel@....ul.ie>, Chris Metcalf <cmetcalf@...era.com>,
	Len Brown <lenb@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andi Kleen <andi@...stfloor.org>, Julia Lawall <julia@...u.dk>,
	David Howells <dhowells@...hat.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Kay Sievers <kay.sievers@...y.org>,
	Ingo Molnar <mingo@...e.hu>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Daniel Kiper <dkiper@...-space.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Michal Hocko <mhocko@...e.cz>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Michal Nazarewicz <mina86@...a86.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Rik van Riel <riel@...hat.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Christoph Lameter <cl@...ux.com>,
	David Rientjes <rientjes@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [RFC PATCH 0/3 V1] mm: add new migrate type and online_movable
 for hotplug

On 07/04/2012 04:23 PM, Lai Jiangshan wrote:
> On 07/04/2012 03:35 PM, Minchan Kim wrote:
>> Hello,
>>
>> I am not sure when I can review this series by urgent other works.
>> At a glance, it seems to attract me.

Patches are resent with updated cover-letter and correct cc list.

Thank you very much.
Lai


>> But unfortunately, when I read description in cover-letter, I can't
>> find "What's the problem?".
>> If you provide that, it could help too many your Ccing people who can
>> judge  "whether I dive into code or not"
> 
> This patchset adds a stable-movable-migrate-type for memory-management,
> It is used for anti-fragmentation(hugepage, big-order alloction...) and
> hot-removal-of-memory(virtualization, power-conserve, move memory between systems).
> it likes ZONE_MOVABLE, but it is more elastic.
> 
> Beside it, it fixes some code of CMA.
> 
> Thanks,
> Lai
> 
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