linux-kernel - Re: [Patch v4 00/12] memory-hotplug: hot-remove physical memory

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Date:	Wed, 28 Nov 2012 09:43:20 +0900
From:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Wen Congyang <wency@...fujitsu.com>, <x86@...nel.org>,
	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-acpi@...r.kernel.org>,
	<linux-s390@...r.kernel.org>, <linux-sh@...r.kernel.org>,
	<linux-ia64@...r.kernel.org>, <cmetcalf@...era.com>,
	<sparclinux@...r.kernel.org>, David Rientjes <rientjes@...gle.com>,
	Jiang Liu <liuj97@...il.com>, Len Brown <len.brown@...el.com>,
	<benh@...nel.crashing.org>, <paulus@...ba.org>,
	Christoph Lameter <cl@...ux.com>,
	Minchan Kim <minchan.kim@...il.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Jianguo Wu <wujianguo@...wei.com>
Subject: Re: [Patch v4 00/12] memory-hotplug: hot-remove physical memory

Hi Andrew,

2012/11/28 4:27, Andrew Morton wrote:
> On Tue, 27 Nov 2012 18:00:10 +0800
> Wen Congyang <wency@...fujitsu.com> wrote:
>
>> The patch-set was divided from following thread's patch-set.
>>      https://lkml.org/lkml/2012/9/5/201
>>
>> The last version of this patchset:
>>      https://lkml.org/lkml/2012/11/1/93
>
> As we're now at -rc7 I'd prefer to take a look at all of this after the
> 3.7 release - please resend everything shortly after 3.8-rc1.

Almost patches about memory hotplug has been merged into your and Rafael's
tree. And these patches are waiting to open the v3.8 merge window.
Remaining patches are only this patch-set. So we hope that this patch-set
is merged into v3.8.

In merging this patch-set into v3.8, Linux on x86_64 makes a memory hot plug
possible.

Thanks,
Yasuaki Ishimatsu

>
>> If you want to know the reason, please read following thread.
>>
>> https://lkml.org/lkml/2012/10/2/83
>
> Please include the rationale within each version of the patchset rather
> than by linking to an old email.  Because
>
> a) this way, more people are likely to read it
>
> b) it permits the text to be maimtained as the code evolves
>
> c) it permits the text to be included in the mainlnie commit, where
>     people can find it.
>
>> The patch-set has only the function of kernel core side for physical
>> memory hot remove. So if you use the patch, please apply following
>> patches.
>>
>> - bug fix for memory hot remove
>>    https://lkml.org/lkml/2012/10/31/269
>>
>> - acpi framework
>>    https://lkml.org/lkml/2012/10/26/175
>
> What's happening with the acpi framework?  has it received any feedback
> from the ACPI developers?
>


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