From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751217AbZHXBfp (ORCPT ); Sun, 23 Aug 2009 21:35:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751200AbZHXBfo (ORCPT ); Sun, 23 Aug 2009 21:35:44 -0400 Received: from mx1.redhat.com ([209.132.183.28]:2476 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751199AbZHXBfn (ORCPT ); Sun, 23 Aug 2009 21:35:43 -0400 Message-ID: <4A91EE3D.7050805@redhat.com> Date: Mon, 24 Aug 2009 09:34:53 +0800 From: Amerigo Wang User-Agent: Thunderbird 2.0.0.22 (X11/20090719) MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org, tony.luck@intel.com, linux-ia64@vger.kernel.org, nhorman@redhat.com, ebiederm@xmission.com, kamezawa.hiroyu@jp.fujitsu.com, andi@firstfloor.org, bernhard.walle@gmx.de, fenghua.yu@intel.com, mingo@elte.hu, avorontsov@ru.mvista.com, linuxppc-dev@ozlabs.org Subject: Re: [Patch 0/8] V4 Implement crashkernel=auto References: <20090821065637.4855.32234.sendpatchset@localhost.localdomain> <20090821170615.1ea4a4f4.akpm@linux-foundation.org> In-Reply-To: <20090821170615.1ea4a4f4.akpm@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote: > (cc linuxppc-dev@ozlabs.org) > > On Fri, 21 Aug 2009 02:54:12 -0400 > Amerigo Wang wrote: > > >> This series of patch implements automatically reserved memory for crashkernel, >> by introducing a new boot option "crashkernel=auto". This idea is from Neil. >> >> In case of breaking user-space applications, it modifies this boot option after >> it decides how much memory should be reserved. >> >> On different arch, the threshold and reserved memory size is different. Please >> refer patch 8/8 which contains an update for the documentation. >> >> Patch 1/8 implements shrinking reserved memory at run-time, which is useful >> when more than enough memory is reserved automatically. >> >> Note: This patchset was only tested on x86_64 with differernt memory sizes. >> > > > I'd prefer that this change had been runtime tested on ia64 and powerpc > and has had some quality review from relevant developers of those > architectures. > > Looking at the cc's, I'm not sure that the powerpc guys even know about > this work? > > Ok, let me try to find some ppc and ia64 machines in the company.. ;)