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From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Date: Fri, 22 Feb 2013 22:02:31 -0500
Message-ID: <CAHGf_=rnOhdkx+LgHAqf0xg925+BVPwasgMvFuzpobwa4ed9+Q@mail.gmail.com>
Subject: Re: [Lsf-pc] [LSF/MM TOPIC][ATTEND] a few topics I'd like to discuss
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To: Simon Jeons <simon.jeons@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>, lsf-pc@lists.linux-foundation.org, "linux-mm@kvack.org" <linux-mm@kvack.org>

On Wed, Feb 20, 2013 at 6:03 AM, Simon Jeons <simon.jeons@gmail.com> wrote:
> On 02/18/2013 10:50 PM, Mel Gorman wrote:
>>
>> On Sun, Feb 17, 2013 at 01:44:33AM -0500, KOSAKI Motohiro wrote:
>>>
>>> Sorry for the delay.
>>>
>>> I would like to discuss the following topics:
>>>
>>>
>>>
>>> * Hugepage migration ? Currently, hugepage is not migratable and can?t
>>> use pages in ZONE_MOVABLE.  It is not happy from point of CMA/hotplug
>>> view.
>>>
>> migrate_huge_page() ?
>
>
> It seems that migrate_huge_page just called in memory failure path, why
> can't support in memory hotplug path?

No big reason.
Now, horiguchi-san is developing this feature.

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