Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932587AbVKBLW0 (ORCPT ); Wed, 2 Nov 2005 06:22:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932591AbVKBLW0 (ORCPT ); Wed, 2 Nov 2005 06:22:26 -0500 Received: from holly.csn.ul.ie ([136.201.105.4]:928 "EHLO holly.csn.ul.ie") by vger.kernel.org with ESMTP id S932587AbVKBLWZ (ORCPT ); Wed, 2 Nov 2005 06:22:25 -0500 Date: Wed, 2 Nov 2005 11:22:06 +0000 (GMT) From: Mel Gorman X-X-Sender: mel@skynet To: KAMEZAWA Hiroyuki Cc: Ingo Molnar , Dave Hansen , Nick Piggin , "Martin J. Bligh" , Andrew Morton , kravetz@us.ibm.com, linux-mm , Linux Kernel Mailing List , lhms Subject: Re: [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19 In-Reply-To: <43680923.1040007@jp.fujitsu.com> Message-ID: References: <4366A8D1.7020507@yahoo.com.au> <4366C559.5090504@yahoo.com.au> <4366D469.2010202@yahoo.com.au> <20051101135651.GA8502@elte.hu> <1130854224.14475.60.camel@localhost> <20051101142959.GA9272@elte.hu> <1130856555.14475.77.camel@localhost> <20051101150142.GA10636@elte.hu> <43679C69.6050107@jp.fujitsu.com> <43680923.1040007@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: 1326 Lines: 33 On Wed, 2 Nov 2005, KAMEZAWA Hiroyuki wrote: > Mel Gorman wrote: > > 3. When adding a node that must be removable, make the array look like > > this > > > > int fallback_allocs[RCLM_TYPES-1][RCLM_TYPES+1] = { > > {RCLM_NORCLM, RCLM_TYPES, RCLM_TYPES, RCLM_TYPES, RCLM_TYPES}, > > {RCLM_EASY, RCLM_FALLBACK, RCLM_NORCLM, RCLM_KERN, RCLM_TYPES}, > > {RCLM_KERN, RCLM_TYPES, RCLM_TYPES, RCLM_TYPES, RCLM_TYPES}, > > }; > > > > The effect of this is only allocations that are easily reclaimable will > > end up in this node. This would be a straight-forward addition to build > > upon this set of patches. The difference would only be visible to > > architectures that cared. > > > Thank you for illustration. > maybe fallback_list per pgdat/zone is what I need with your patch. right ? > With my patch, yes. With zones, you need to change how zonelists are built for each node. -- Mel Gorman Part-time Phd Student Java Applications Developer University of Limerick IBM Dublin Software Lab - 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/