From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759616AbZAWR4q (ORCPT ); Fri, 23 Jan 2009 12:56:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756048AbZAWR4i (ORCPT ); Fri, 23 Jan 2009 12:56:38 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:46960 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751152AbZAWR4h (ORCPT ); Fri, 23 Jan 2009 12:56:37 -0500 Date: Fri, 23 Jan 2009 18:56:14 +0100 From: Ingo Molnar To: Ian Campbell Cc: linux-kernel@vger.kernel.org, Jeremy Fitzhardinge , "dan.magenheimer@oracle.com" , Xen-devel , Stable Kernel Subject: Re: [PATCH] xen: handle highmem pages correctly when shrinking a domain Message-ID: <20090123175614.GA26627@elte.hu> References: <70c0102ea4c18ecab426.1232727981@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <70c0102ea4c18ecab426.1232727981@localhost.localdomain> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Ian Campbell wrote: > This commit causes a crash if the page being released is a highmem > page. > > commit 1058a75f07b9bb8323fb5197be5526220f8b75cf > Author: Dan Magenheimer > Date: Thu Jan 22 14:36:08 2009 -0800 > > xen: actually release memory when shrinking domain > > If a page is highmem then there is no need to unmap it. > > Signed-off-by: Ian Campbell > Cc: Jeremy Fitzhardinge > Cc: Ingo Molnar > Cc: dan.magenheimer@oracle.com > Cc: Xen-devel > Cc: Stable Kernel > --- > drivers/xen/balloon.c | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-) Applied to tip/x86/urgent, thanks Ian! Ingo