linux-kernel - Re: [PATCH 00 of 10] x86: unify asm/pgtable.h

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Date:	Wed, 9 Jan 2008 15:26:11 +0100
From:	Andi Kleen <ak@...e.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Glauber de Oliveira Costa <glommer@...il.com>,
	Jan Beulich <jbeulich@...ell.com>
Subject: Re: [PATCH 00 of 10] x86: unify asm/pgtable.h

On Wednesday 09 January 2008 11:47:11 Ingo Molnar wrote:
> * Andi Kleen <ak@...e.de> wrote:
> > There's one Jan pointed out: iounmap does not subtract the guard page
> > size so it ends up resetting one page too much. That is probably what
> > causes your problem. But again you should be passing in G in the first
> > place.
> >
> > -Andi
> >
> > Here was Jan's patch; it incidently fixes the G problem too
>
> thanks, applied. I changed:

FWIW Without the reference counting fixes in the cpa series that will
likely cause leaked small page mappings at boot because the reference
counting cannot deal with it.

-Andi
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