linux-kernel - Re: [PATCH v3 6/9] memory-hotplug: update mce_bad

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Message-ID: <CAHGf_=oB5bDaw4JepMuKcEUM3=GaEuy8NZb+7G4uR3=-hYh8Dg@mail.gmail.com>
Date:	Fri, 19 Oct 2012 03:06:14 -0400
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	wency@...fujitsu.com
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	rientjes@...gle.com, liuj97@...il.com, len.brown@...el.com,
	benh@...nel.crashing.org, paulus@...ba.org, minchan.kim@...il.com,
	akpm@...ux-foundation.org, isimatu.yasuaki@...fujitsu.com,
	Christoph Lameter <cl@...ux.com>
Subject: Re: [PATCH v3 6/9] memory-hotplug: update mce_bad_pages when removing
 the memory

On Fri, Oct 19, 2012 at 2:46 AM,  <wency@...fujitsu.com> wrote:
> From: Wen Congyang <wency@...fujitsu.com>
>
> When we hotremove a memory device, we will free the memory to store
> struct page. If the page is hwpoisoned page, we should decrease
> mce_bad_pages.

I think [5/9] and [6/9] should be fold. Their two patches fix one
issue. (current
hwpoison doesn't support memory offline)
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