From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755264Ab3KVCeY (ORCPT ); Thu, 21 Nov 2013 21:34:24 -0500 Received: from mx1.redhat.com ([209.132.183.28]:36285 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751923Ab3KVCeW (ORCPT ); Thu, 21 Nov 2013 21:34:22 -0500 Date: Thu, 21 Nov 2013 21:34:06 -0500 From: Vivek Goyal To: "H. Peter Anvin" Cc: Yinghai Lu , jerry.hoemann@hp.com, Matthew Garrett , Rob Landley , Thomas Gleixner , Ingo Molnar , the arch/x86 maintainers , Matt Fleming , Andrew Morton , Borislav Petkov , "linux-doc@vger.kernel.org" , Linux Kernel Mailing List , linux-efi@vger.kernel.org, Pekka Enberg , Ingo Molnar Subject: Re: [RFC v2 0/2] Early use of boot service memory Message-ID: <20131122023406.GG31921@redhat.com> References: <1385067686-73500-1-git-send-email-jerry.hoemann@hp.com> <20131121230744.GA31592@srcf.ucam.org> <528E94D1.2050809@zytor.com> <20131121233705.GA32121@srcf.ucam.org> <528EAF99.1010503@zytor.com> <20131122012524.GA5627@anatevka.fc.hp.com> <528EB40A.3040203@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <528EB40A.3040203@zytor.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 21, 2013 at 05:31:54PM -0800, H. Peter Anvin wrote: > On 11/21/2013 05:29 PM, Yinghai Lu wrote: > > On Thu, Nov 21, 2013 at 5:25 PM, wrote: > >> On Thu, Nov 21, 2013 at 05:12:57PM -0800, H. Peter Anvin wrote: > >> > >> Large systems w/ lots of IO require large crash kernel allocations for > >> the kernel to boot. Then you have to worry about the OOM killer..... > > > > so go with crashkernel=1024M,high. > > > > Yes, there is no bloody excuse to hog that much low memory. Curious, why is low memory precious on x86_64? Who is going to use it? Thanks Vivek