From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751555AbXDIUY2 (ORCPT ); Mon, 9 Apr 2007 16:24:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751877AbXDIUY2 (ORCPT ); Mon, 9 Apr 2007 16:24:28 -0400 Received: from smtp.osdl.org ([65.172.181.24]:58971 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751615AbXDIUY1 (ORCPT ); Mon, 9 Apr 2007 16:24:27 -0400 Date: Mon, 9 Apr 2007 13:23:41 -0700 From: Andrew Morton To: "Siddha, Suresh B" , David Rientjes Cc: christoph@lameter.com, Andi Kleen , Eric Dumazet , linux kernel Subject: Re: [patch 1/2] x86_64: set node_possible_map at runtime. Message-Id: <20070409132341.18fe0565.akpm@linux-foundation.org> In-Reply-To: <20070409180145.GA3948@linux-os.sc.intel.com> References: <20070320213218.GA13952@one.firstfloor.org> <20070321024452.GA17532@one.firstfloor.org> <20070322212831.GA25665@linux-os.sc.intel.com> <4602FF57.7030001@cosmosbay.com> <20070322224045.GA3200@linux-os.sc.intel.com> <20070323141210.GA20548@one.firstfloor.org> <20070402225512.GA31026@linux-os.sc.intel.com> <20070409180145.GA3948@linux-os.sc.intel.com> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.6; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 9 Apr 2007 11:01:45 -0700 "Siddha, Suresh B" wrote: > Set the node_possible_map at runtime on x86_64. On a non NUMA system, > num_possible_nodes() will now say '1'. > I had to rework this a bit in the numa-emulation case due to changes in Andi's tree. The change to numa_emulation() got moved into setup_node_range(). We have 166 x86 patches pending at present - the chances of a patch against mainline applying and working against the development tree are reduced.