Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757303AbYGCNPi (ORCPT ); Thu, 3 Jul 2008 09:15:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753092AbYGCNPa (ORCPT ); Thu, 3 Jul 2008 09:15:30 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:45756 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752723AbYGCNP3 (ORCPT ); Thu, 3 Jul 2008 09:15:29 -0400 Date: Thu, 3 Jul 2008 15:14:56 +0200 From: Ingo Molnar To: Bernhard Walle Cc: "Eric W. Biederman" , Vivek Goyal , x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86: Find offset for crashkernel reservation automatically Message-ID: <20080703131456.GA12102@elte.hu> References: <1214510048-21215-1-git-send-email-bwalle@suse.de> <20080627133256.GB5801@redhat.com> <20080627134212.GC5801@redhat.com> <20080627160656.06f71661@halley.suse.de> <20080627141910.GD5801@redhat.com> <20080627162223.2df5a8b9@halley.suse.de> <20080627202932.16634031@kopernikus.site> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080627202932.16634031@kopernikus.site> 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 Content-Length: 881 Lines: 23 * Bernhard Walle wrote: > > > But in general policy should go in userspace (if possible), so I > > > agree with you that kexec-tools can handle that. > > > > At a quick skim the patch looks good. I thought I had initially > > implemented the code to work this way but apparently in all of the > > churn that aspect of it got lost. > > > > Let's start with trying to allocate the memory as low as possible > > for a crash kernel (I think you are already doing that). > > Yes, in 95 % of the cases the crashkernel still gets reserved at 16M. ok - i've applied it to tip/x86/crashdump - thanks Bernhard. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/