From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755968AbXFREtp (ORCPT ); Mon, 18 Jun 2007 00:49:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752520AbXFREti (ORCPT ); Mon, 18 Jun 2007 00:49:38 -0400 Received: from holomorphy.com ([66.93.40.71]:42709 "EHLO holomorphy.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752514AbXFREti (ORCPT ); Mon, 18 Jun 2007 00:49:38 -0400 Date: Sun, 17 Jun 2007 21:50:45 -0700 From: William Lee Irwin III To: Christoph Lameter Cc: Matt Mackall , Arjan van de Ven , Andrew Morton , linux-kernel@vger.kernel.org, hch@infradead.org Subject: Re: [patch 00/14] Page cache cleanup in anticipation of Large Blocksize support Message-ID: <20070618045045.GH6909@holomorphy.com> References: <20070614193839.878721298@sgi.com> <20070614130645.cabdff1b.akpm@linux-foundation.org> <20070614143248.736312f8.akpm@linux-foundation.org> <1182043500.2743.7.camel@laptopd505.fenrus.org> <20070617050255.GM11166@waste.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 17 Jun 2007, Matt Mackall wrote: >> Is it? Last I looked it had reverted to handing out reverse-contiguous >> pages. On Sun, Jun 17, 2007 at 07:08:41PM -0700, Christoph Lameter wrote: > I thought that was fixed? Bill Irwin was working on it. > But the contiguous pages usually only work shortly after boot. After > awhile memory gets sufficiently scrambled that the coalescing in the I/O > layer becomes ineffective. It fell off the bottom of my priority queue, sorry. -- wli