Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1162126AbWKPAqz (ORCPT ); Wed, 15 Nov 2006 19:46:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1162127AbWKPAqy (ORCPT ); Wed, 15 Nov 2006 19:46:54 -0500 Received: from omx2-ext.sgi.com ([192.48.171.19]:52430 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1162126AbWKPAqx (ORCPT ); Wed, 15 Nov 2006 19:46:53 -0500 Date: Wed, 15 Nov 2006 16:46:22 -0800 (PST) From: Christoph Lameter To: Jesper Juhl cc: Martin Bligh , Christian Krafft , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [patch 2/2] enables booting a NUMA system where some nodes have no memory In-Reply-To: <9a8748490611151644m5420fd9claf8212f98a6ad4e2@mail.gmail.com> Message-ID: References: <20061115193049.3457b44c@localhost> <20061115193437.25cdc371@localhost> <455B8F3A.6030503@mbligh.org> <9a8748490611151644m5420fd9claf8212f98a6ad4e2@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 643 Lines: 15 On Thu, 16 Nov 2006, Jesper Juhl wrote: > What about SMP Opteron boards that have RAM slots for each CPU? > With two (or more) CPU's and only memory slots populated for one of > them, wouldn't that count as multiple NUMA nodes but only one of them > with memory? > That would seem to be a pretty common thing that could happen. I think so far we have handled these as two processors on one node. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/