linux-kernel - Re: [PATCH] [2/16] POISON: Add page flag for poisoned pages

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Date:	Wed, 8 Apr 2009 11:38:34 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, x86@...nel.org
Subject: Re: [PATCH] [2/16] POISON: Add page flag for poisoned pages

On Wed, Apr 08, 2009 at 12:00:18AM -0700, Andrew Morton wrote:
> On Wed, 8 Apr 2009 08:24:41 +0200 Andi Kleen <andi@...stfloor.org> wrote:
> 
> > On Tue, Apr 07, 2009 at 10:14:21PM -0700, Andrew Morton wrote:
> > > On Tue,  7 Apr 2009 17:09:58 +0200 (CEST) Andi Kleen <andi@...stfloor.org> wrote:
> > > 
> > > > Poisoned pages need special handling in the VM and shouldn't be touched 
> > > > again. This requires a new page flag. Define it here.
> > > 
> > > I wish this patchset didn't change/abuse the well-understood meaning of
> > > the word "poison".
> > 
> > Sorry, that's the terminology on the hardware side.
> > 
> > If there's much confusion I could rename it HwPoison or somesuch?
> 
> I understand that'd be a PITA but I suspect it would be best,
> long-term.  Having this conflict in core MM is really pretty bad.

Ok. I'll rename it to HWPoison().

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