Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755173AbZCWNea (ORCPT ); Mon, 23 Mar 2009 09:34:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750750AbZCWNeU (ORCPT ); Mon, 23 Mar 2009 09:34:20 -0400 Received: from smtp.ultrahosting.com ([74.213.174.254]:45359 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750756AbZCWNeT (ORCPT ); Mon, 23 Mar 2009 09:34:19 -0400 Date: Mon, 23 Mar 2009 09:30:26 -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: <20090323115213.GC6484@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> <20090323115213.GC6484@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: 596 Lines: 14 On Mon, 23 Mar 2009, Mel Gorman wrote: > This came up again. There was some evidence when it was introduced that > it worked and micro-benchmarks can show it to be of some use. It's > not-obvious-enough that I'd be wary of deleting it. Certainly there is some minimal benefit. But maybe that benefit will vanish if you drop the doubly linked list? -- 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/