From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <455BC67F.6040708@mbligh.org> Date: Wed, 15 Nov 2006 18:01:35 -0800 From: Martin Bligh MIME-Version: 1.0 Subject: Re: [patch 2/2] enables booting a NUMA system where some nodes have no memory References: <20061115193049.3457b44c@localhost> <20061115193437.25cdc371@localhost> <20061115215845.GB20526@sgi.com> <455B9825.3030403@mbligh.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Jack Steiner , Christian Krafft , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: Christoph Lameter wrote: > On Wed, 15 Nov 2006, Martin Bligh wrote: > >> All we need is an appropriate zonelist for each node, pointing to >> the memory it should be accessing. > > But there is no memory on the node. Does the zonelist contain the zones of > the node without memory or not? We simply fall back each allocation to the > next node as if the node was overflowing? Sure. there's no point in putting an empty zone in the zonelist. We should just skip anything where present_pages is zero. M. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org