linux-kernel - Re: [PATCH 1/3] HWPOISON: fix action

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Date:	Fri, 10 Aug 2012 16:08:10 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Cc:	Andi Kleen <andi.kleen@...el.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tony Luck <tony.luck@...el.com>,
	Rik van Riel <riel@...hat.com>,
	"Jun'ichi Nomura" <j-nomura@...jp.nec.com>,
	Naoya Horiguchi <nhoriguc@...hat.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] HWPOISON: fix action_result() to print out dirty/clean

Naoya Horiguchi <n-horiguchi@...jp.nec.com> writes:

> action_result() fails to print out "dirty" even if an error occurred on a
> dirty pagecache, because when we check PageDirty in action_result() it was
> cleared after page isolation even if it's dirty before error handling. This
> can break some applications that monitor this message, so should be fixed.
>
> There are several callers of action_result() except page_action(), but
> either of them are not for LRU pages but for free pages or kernel pages,
> so we don't have to consider dirty or not for them.

Looks good

Reviewed-by: Andi Kleen <ak@...ux.intel.com>


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