From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753176AbXCRIWx (ORCPT ); Sun, 18 Mar 2007 04:22:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753184AbXCRIWx (ORCPT ); Sun, 18 Mar 2007 04:22:53 -0400 Received: from smtp.osdl.org ([65.172.181.24]:59601 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753182AbXCRIWw (ORCPT ); Sun, 18 Mar 2007 04:22:52 -0400 Date: Sun, 18 Mar 2007 00:22:44 -0800 From: Andrew Morton To: mel@skynet.ie (Mel Gorman) Cc: Mariusz Kozlowski , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Bias the location of pages freed for min_free_kbytes in the same MAX_ORDER_NR_PAGES blocks Message-Id: <20070318002244.606cfe08.akpm@linux-foundation.org> In-Reply-To: <20070317182641.GA19447@skynet.ie> References: <20070307201839.6f45735b.akpm@linux-foundation.org> <200703142006.04547.m.kozlowski@tuxland.pl> <20070314170738.d5d35c06.akpm@linux-foundation.org> <20070317182641.GA19447@skynet.ie> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; x86_64-unknown-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 Sat, 17 Mar 2007 18:26:41 +0000 mel@skynet.ie (Mel Gorman) wrote: > I still haven't got onto reviewing all your mm patches :( Nor has anyone else, afaik. But let me leap ahead of myself. > CONFIG_PAGE_GROUP_BY_MOBILITY Why does this config item exist? It's not good to have some mysterious knob which affects mm behaviour at compile time. We need to make up our minds and stick with it.