From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754388AbYAIOYR (ORCPT ); Wed, 9 Jan 2008 09:24:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751691AbYAIOYI (ORCPT ); Wed, 9 Jan 2008 09:24:08 -0500 Received: from cantor2.suse.de ([195.135.220.15]:60853 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751157AbYAIOYH (ORCPT ); Wed, 9 Jan 2008 09:24:07 -0500 From: Andi Kleen To: Ingo Molnar Subject: Re: [PATCH 00 of 10] x86: unify asm/pgtable.h Date: Wed, 9 Jan 2008 15:26:11 +0100 User-Agent: KMail/1.9.6 (enterprise 20070904.708012) Cc: Jeremy Fitzhardinge , LKML , Glauber de Oliveira Costa , Jan Beulich References: <20080109002803.GA3732@elte.hu> <20080109021124.GH25945@bingen.suse.de> <20080109104711.GA14041@elte.hu> In-Reply-To: <20080109104711.GA14041@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200801091526.12040.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 09 January 2008 11:47:11 Ingo Molnar wrote: > * Andi Kleen 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