Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751288AbXBMR0T (ORCPT ); Tue, 13 Feb 2007 12:26:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751313AbXBMR0T (ORCPT ); Tue, 13 Feb 2007 12:26:19 -0500 Received: from omx2-ext.sgi.com ([192.48.171.19]:60708 "EHLO omx2.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751288AbXBMR0S (ORCPT ); Tue, 13 Feb 2007 12:26:18 -0500 Date: Tue, 13 Feb 2007 09:25:00 -0800 (PST) From: Christoph Lameter To: KAMEZAWA Hiroyuki cc: Andi Kleen , linux-kernel@vger.kernel.org, akpm@osdl.org, bob.picco@hp.com Subject: Re: [RFC] [PATCH] more support for memory-less-node. In-Reply-To: <20070213173830.285c3838.kamezawa.hiroyu@jp.fujitsu.com> Message-ID: References: <20070213155736.1131d46a.kamezawa.hiroyu@jp.fujitsu.com> <200702130929.49349.andi@firstfloor.org> <20070213173830.285c3838.kamezawa.hiroyu@jp.fujitsu.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: 520 Lines: 14 On Tue, 13 Feb 2007, KAMEZAWA Hiroyuki wrote: > NOD_DATA(nid) is always valid pointer if a node is online. > NODE_DATA(nid)->present_pages can be 0 even if a node is online, > I call this as memory-less-node. Yes but the pgdat will have no valid zone in it. That is new. - 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/