From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263561AbTLDTAF (ORCPT ); Thu, 4 Dec 2003 14:00:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263573AbTLDTAE (ORCPT ); Thu, 4 Dec 2003 14:00:04 -0500 Received: from mtvcafw.SGI.COM ([192.48.171.6]:7954 "EHLO rj.sgi.com") by vger.kernel.org with ESMTP id S263561AbTLDTAB (ORCPT ); Thu, 4 Dec 2003 14:00:01 -0500 Date: Thu, 4 Dec 2003 10:59:36 -0800 To: "Martin J. Bligh" Cc: IWAMOTO Toshihiro , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: memory hotremove prototype, take 3 Message-ID: <20031204185936.GB7965@sgi.com> Mail-Followup-To: "Martin J. Bligh" , IWAMOTO Toshihiro , linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20031201034155.11B387007A@sv1.valinux.co.jp> <187360000.1070480461@flay> <20031204035842.72C9A7007A@sv1.valinux.co.jp> <152440000.1070516333@10.10.2.4> <20031204154406.7FC587007A@sv1.valinux.co.jp> <20031204182729.GA7965@sgi.com> <14880000.1070562593@flay> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <14880000.1070562593@flay> User-Agent: Mutt/1.5.4i From: jbarnes@sgi.com (Jesse Barnes) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 04, 2003 at 10:29:53AM -0800, Martin J. Bligh wrote: > >> IIRC, memory is contiguous within a NUMA node. I think Goto-san will > >> clarify this issue when his code gets ready. :-) > > > > Not on all systems. On sn2 we use ia64's virtual memmap to make memory > > within a node appear contiguous, even though it may not be. > > Wasn't there a plan to get rid of that though? I forget what it was, > probably using CONFIG_NONLINEAR too ... ? I think config_nonliner would do the trick, but no one's done the work yet :) Jesse