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Message-ID: <50EE2500.2040903@cn.fujitsu.com>
Date: Thu, 10 Jan 2013 10:18:40 +0800
From: Tang Chen <tangchen@...fujitsu.com>
To: Andrew Morton <akpm@...ux-foundation.org>
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Subject: Re: [PATCH v6 00/15] memory-hotplug: hot-remove physical memory
Hi Andrew,
On 01/10/2013 07:33 AM, Andrew Morton wrote:
> On Wed, 9 Jan 2013 17:32:24 +0800
> Tang Chen<tangchen@...fujitsu.com> wrote:
>
>> This patch-set aims to implement physical memory hot-removing.
>
> As you were on th patch delivery path, all of these patches should have
> your Signed-off-by:. But some were missing it. I fixed this in my
> copy of the patches.
Thank you very much for the help. Next time I'll add it myself.
>
>
> I suspect this patchset adds a significant amount of code which will
> not be used if CONFIG_MEMORY_HOTPLUG=n. "[PATCH v6 06/15]
> memory-hotplug: implement register_page_bootmem_info_section of
> sparse-vmemmap", for example. This is not a good thing, so please go
> through the patchset (in fact, go through all the memhotplug code) and
> let's see if we can reduce the bloat for CONFIG_MEMORY_HOTPLUG=n
> kernels.
>
> This needn't be done immediately - it would be OK by me if you were to
> defer this exercise until all the new memhotplug code is largely in
> place. But please, let's do it.
OK, I'll do have a check on it when the page_cgroup problem is solved.
Thanks. :)
>
>
>
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