Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760976AbZCTTqt (ORCPT ); Fri, 20 Mar 2009 15:46:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761043AbZCTTqe (ORCPT ); Fri, 20 Mar 2009 15:46:34 -0400 Received: from smtp.ultrahosting.com ([74.213.174.254]:52685 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761289AbZCTTqd (ORCPT ); Fri, 20 Mar 2009 15:46:33 -0400 Date: Fri, 20 Mar 2009 15:43:23 -0400 (EDT) From: Christoph Lameter X-X-Sender: cl@qirst.com To: Mel Gorman cc: Linux Memory Management List , KOSAKI Motohiro , Nick Piggin , Linux Kernel Mailing List , Lin Ming , Zhang Yanmin , Peter Zijlstra , Andrew Morton Subject: Re: [PATCH 00/25] Cleanup and optimise the page allocator V5 In-Reply-To: <20090320162716.GP24586@csn.ul.ie> Message-ID: References: <1237543392-11797-1-git-send-email-mel@csn.ul.ie> <20090320153723.GO24586@csn.ul.ie> <20090320162716.GP24586@csn.ul.ie> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 604 Lines: 17 On Fri, 20 Mar 2009, Mel Gorman wrote: > > Is it possible to go to a simple > > linked list (one cacheline to be touched)? > > I considered it but it breaks the hot/cold allocation/freeing logic and > the search code became weird enough looking fast enough that I dropped > it. Maybe it would be workable if we drop the cold queue stuff (dubious anyways)? -- 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/