Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764006AbXFRRYx (ORCPT ); Mon, 18 Jun 2007 13:24:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757716AbXFRRYr (ORCPT ); Mon, 18 Jun 2007 13:24:47 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:34992 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755000AbXFRRYq (ORCPT ); Mon, 18 Jun 2007 13:24:46 -0400 Date: Mon, 18 Jun 2007 10:24:45 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Mel Gorman cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, kamezawa.hiroyu@jp.fujitsu.com Subject: Re: [PATCH 0/7] Memory Compaction v2 In-Reply-To: <20070618092821.7790.52015.sendpatchset@skynet.skynet.ie> Message-ID: References: <20070618092821.7790.52015.sendpatchset@skynet.skynet.ie> 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: 768 Lines: 16 On Mon, 18 Jun 2007, Mel Gorman wrote: > The patchset implements memory compaction for the page allocator reducing > external fragmentation so that free memory exists as fewer, but larger > contiguous blocks. Instead of being a full defragmentation solution, > this focuses exclusively on pages that are movable via the page migration > mechanism. We need an additional facility at some point that allows the moving of pages that are not on the LRU. Such support seems to be possible for page table pages and slab pages. - 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/