linux-kernel - Re: [PATCH] [2/16] HWPOISON: Export poison flag in /proc/kpageflags

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Message-ID: <4A200F40.9050703@redhat.com>
Date:	Fri, 29 May 2009 12:37:20 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	fengguang.wu@...el.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] [2/16] HWPOISON: Export poison flag in /proc/kpageflags

Andi Kleen wrote:
> From: Fengguang Wu <fengguang.wu@...el.com>
> 
> Export the new poison flag in /proc/kpageflags. Poisoned pages are moderately
> interesting even for administrators, so export them here. Also useful
> for debugging.
> 
> AK: I extracted this out of a larger patch from Fengguang Wu.
> 
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>

OK, this could be a good reason for the use of the PG_poisoned page
flag in patch 1/16.

Acked-by: Rik van Riel <riel@...hat.com>

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