Date: Mon, 22 Jun 2009 17:37:25 +0800
From: Wu Fengguang <fengguang.wu@intel.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
       LKML <linux-kernel@vger.kernel.org>,
       "hugh.dickins@tiscali.co.uk" <hugh.dickins@tiscali.co.uk>,
       "npiggin@suse.de" <npiggin@suse.de>,
       "chris.mason@oracle.com" <chris.mason@oracle.com>,
       Rik van Riel <riel@redhat.com>, Andi Kleen <ak@linux.intel.com>,
       Ingo Molnar <mingo@elte.hu>, Minchan Kim <minchan.kim@gmail.com>,
       Mel Gorman <mel@csn.ul.ie>, Thomas Gleixner <tglx@linutronix.de>,
       "H. Peter Anvin" <hpa@zytor.com>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       "linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH 11/15] HWPOISON: The high level memory error handler in
	the VM v8
Message-ID: <20090622093725.GB11541@localhost>
References: <20090620031608.624240019@intel.com> <20090620031626.106150781@intel.com> <20090621085721.GD8218@one.firstfloor.org>
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On Sun, Jun 21, 2009 at 04:57:21PM +0800, Andi Kleen wrote:
> > v8:
> > check for page_mapped_in_vma() on anon pages (Hugh, Fengguang)
> 
> This change was no good as discussed earlier.

My understanding is, we don't do page_mapped_in_vma() for file pages.
But for anon pages, this check can avoid killing possibly good tasks.

Thanks,
Fengguang
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