linux-kernel - Re: [PATCH V2] MCE: fix an error of mce_bad

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Message-ID: <20121210153913.GT16230@one.firstfloor.org>
Date:	Mon, 10 Dec 2012 16:39:13 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Wanpeng Li <liwanp@...ux.vnet.ibm.com>
Cc:	Xishi Qiu <qiuxishi@...wei.com>,
	Simon Jeons <simon.jeons@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	WuJianguo <wujianguo@...wei.com>,
	Liujiang <jiang.liu@...wei.com>, Vyacheslav.Dubeyko@...wei.com,
	Borislav Petkov <bp@...en8.de>, andi@...stfloor.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	wency@...fujitsu.com
Subject: Re: [PATCH V2] MCE: fix an error of mce_bad_pages statistics

> HWPoison delays any action on buddy allocator pages, handling can be safely postponed 
> until a later time when the page might be referenced. By delaying, some transient errors 
> may not reoccur or may be irrelevant.

That's not true for soft offlining, only for hard.

-Andi
-- 
ak@...ux.intel.com -- Speaking for myself only.
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