linux-kernel - Re: [PATCH 3/4] HWPOISON: Report correct address granuality for AO huge page errors

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Date:	Thu, 7 Oct 2010 10:58:32 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	fengguang.wu@...el.com, linux-mm@...ck.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 3/4] HWPOISON: Report correct address granuality for AO
 huge page errors

> > I used compound_order(compound_head(page)) + PAGE_SHIFT now.
> > This even works for non compound, so the special case check
> > can be dropped.
> 
> OK.

BTW it would be nice if mce-test checked this for the huge page case too.
(I fixed this for small pages)

-Andi

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