Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 5 Mar 2002 06:37:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 5 Mar 2002 06:37:10 -0500 Received: from ns.ithnet.com ([217.64.64.10]:18704 "HELO heather.ithnet.com") by vger.kernel.org with SMTP id ; Tue, 5 Mar 2002 06:37:00 -0500 Date: Tue, 5 Mar 2002 12:23:23 +0100 From: Stephan von Krawczynski To: Samuel Ortiz Cc: andrea@suse.de, Martin.Bligh@us.ibm.com, riel@conectiva.com.br, phillips@bonn-fries.net, davidsen@tmr.com, mfedyk@matchmail.com, linux-kernel@vger.kernel.org Subject: Re: 2.4.19pre1aa1 Message-Id: <20020305122323.0ed9a343.skraw@ithnet.com> In-Reply-To: In-Reply-To: <20020304230603.O20606@dualathlon.random> Organization: ith Kommunikationstechnik GmbH X-Mailer: Sylpheed version 0.7.3 (GTK+ 1.2.10; 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, 4 Mar 2002 15:03:19 -0800 (PST) Samuel Ortiz wrote: > On Mon, 4 Mar 2002, Andrea Arcangeli wrote: > > yes, also make sure to keep this patch from SGI applied, it's very > > important to avoid memory balancing if there's still free memory in the > > other zones: > > > > ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.19pre1aa1/20_numa-mm-1 > This patch is included (in a slightly different form) in the 2.4.17 > discontig patch (http://sourceforge.net/projects/discontig). > But martin may need another patch to apply. With the current > implementation of __alloc_pages, we have 2 problems : > 1) A node is not emptied before moving to the following node > 2) If none of the zones on a node have more freepages than min(defined as > min+= z->pages_low), we start looking on the following node, instead of > trying harder on the same node. Forgive my ignorance, but aren't these two problems completely identical in a UP or even SMP setup? I mean what is the negative drawback in your proposed solution, if there simply is no other node? If it is not harmful to the "standard" setups it may as well be included in the mainline, or not? Regards, Stephan - 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/