From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265029AbTF2XDA (ORCPT ); Sun, 29 Jun 2003 19:03:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265080AbTF2XDA (ORCPT ); Sun, 29 Jun 2003 19:03:00 -0400 Received: from mail-in-05.arcor-online.net ([151.189.21.45]:18561 "EHLO mail-in-05.arcor-online.net") by vger.kernel.org with ESMTP id S265029AbTF2XC7 (ORCPT ); Sun, 29 Jun 2003 19:02:59 -0400 From: Daniel Phillips To: William Lee Irwin III Subject: Re: [RFC] My research agenda for 2.7 Date: Sun, 29 Jun 2003 01:18:18 +0200 User-Agent: KMail/1.5.2 Cc: Mel Gorman , "Martin J. Bligh" , linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <200306250111.01498.phillips@arcor.de> <200306282354.43153.phillips@arcor.de> <20030629220756.GB26348@holomorphy.com> In-Reply-To: <20030629220756.GB26348@holomorphy.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200306290118.18266.phillips@arcor.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Monday 30 June 2003 00:07, William Lee Irwin III wrote: > On Sunday 29 June 2003 23:26, Mel Gorman wrote: > > ...I will occupy myself with the > > gritty details of how to move pages without making the system crater. > > This sounds like it's behind dependent on physically scanning slabs, > since one must choose slab pages for replacement on the basis of their > potential to restore contiguity, not merely "dump whatever's replaceable > and check how much got freed". Though I'm not sure what "behind dependent" means, and I'm not the one advocating slab for this, it's quite correct that scanning strategy would need to change, at least when the system runs into cross-order imbalances. But this isn't much different from the kinds of things we do already. Regards, Daniel