linux-kernel - Re: [PATCH 3/6] acpi,memory-hotplug : add physical memory hotplug code to acpi

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Message-ID: <CAHGf_=rCoCs2Lu9gjydTECRydvOkXfbzFGNKJ52CW9oTiOT2Og@mail.gmail.com>
Date:	Fri, 5 Oct 2012 14:54:01 -0400
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
Cc:	x86@...nel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, rientjes@...gle.com, liuj97@...il.com,
	len.brown@...el.com, cl@...ux.com, minchan.kim@...il.com,
	akpm@...ux-foundation.org, wency@...fujitsu.com
Subject: Re: [PATCH 3/6] acpi,memory-hotplug : add physical memory hotplug
 code to acpi_memhotplug.c

On Wed, Oct 3, 2012 at 6:09 AM, Yasuaki Ishimatsu
<isimatu.yasuaki@...fujitsu.com> wrote:
> From: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
>
> For hot removing physical memory, the patch adds remove_memory() into
> acpi_memory_remove_memory(). But we cannot support physical memory
> hot remove. So remove_memory() do nothinig.

I don't understand this explanation. Why do we need do nothing change?
I guess you need to fold this patch into another meaningful fix.
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