From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.suse.de ([195.135.220.2] helo=mx1.suse.de) by bombadil.infradead.org with esmtps (Exim 4.68 #1 (Red Hat Linux)) id 1KCIhU-0008Ts-PM for kexec@lists.infradead.org; Fri, 27 Jun 2008 18:29:37 +0000 Date: Fri, 27 Jun 2008 20:29:32 +0200 From: Bernhard Walle Subject: Re: [PATCH] x86: Find offset for crashkernel reservation automatically Message-ID: <20080627202932.16634031@kopernikus.site> In-Reply-To: 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> Mime-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: "Eric W. Biederman" Cc: x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Vivek Goyal * ebiederm@xmission.com (Eric W. Biederman) [2008-06-27 11:00]: > Bernhard Walle writes: > > > Ah, that's true. Only on x86, right? (That would be an alternative for > > ia64, too ...) > > > > 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. Bernhard -- Bernhard Walle, SUSE LINUX Products GmbH, Architecture Development _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec