From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753923Ab0CGBSh (ORCPT ); Sat, 6 Mar 2010 20:18:37 -0500 Received: from hera.kernel.org ([140.211.167.34]:41163 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752552Ab0CGBSg (ORCPT ); Sat, 6 Mar 2010 20:18:36 -0500 Message-ID: <4B92FE9E.90600@kernel.org> Date: Sat, 06 Mar 2010 17:17:18 -0800 From: Yinghai Lu User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091130 SUSE/3.0.0-1.1.1 Thunderbird/3.0 MIME-Version: 1.0 To: Jiri Slaby , Andrew Morton CC: Johannes Weiner , Greg Thelen , "linux-kernel@vger.kernel.org" , Ingo Molnar , "H. Peter Anvin" , Thomas Gleixner , cl@linux-foundation.com Subject: Re: mmotm boot panic bootmem-avoid-dma32-zone-by-default.patch References: <49b004811003041321g2567bac8yb73235be32a27e7c@mail.gmail.com> <20100305032106.GA12065@cmpxchg.org> <4B90C921.6060908@kernel.org> <4B90DC3C.1060000@gmail.com> In-Reply-To: <4B90DC3C.1060000@gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/05/2010 02:26 AM, Jiri Slaby wrote: > On 03/05/2010 10:04 AM, Yinghai Lu wrote: >> according to context >> http://patchwork.kernel.org/patch/73893/ >> >> Jiri, >> please check current linus tree still have problem about mem_map is using that much low mem? > > Hi! > > Sorry, I don't have direct access to the machine. I might try to ask the > owners to do so. > >> on my 1024g system first node has 128G ram, [2g, 4g) are mmio range. > > So where gets your mem_map allocated (I suppose you're running flat model)? what kernel version? 2.6.27? x86 64bit now only support SPARSEMEM. Yinghai