From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264816AbUEPUiV (ORCPT ); Sun, 16 May 2004 16:38:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264818AbUEPUiV (ORCPT ); Sun, 16 May 2004 16:38:21 -0400 Received: from ppp-217-133-42-200.cust-adsl.tiscali.it ([217.133.42.200]:29370 "EHLO dualathlon.random") by vger.kernel.org with ESMTP id S264816AbUEPUiU (ORCPT ); Sun, 16 May 2004 16:38:20 -0400 Date: Sun, 16 May 2004 22:38:18 +0200 From: Andrea Arcangeli To: Steven Cole Cc: Linus Torvalds , Andrew Morton , adi@bitmover.com, scole@lanl.gov, support@bitmover.com, Kernel Mailing List Subject: Re: 1352 NUL bytes at the end of a page? (was Re: Assertion `s && s->tree' failed: The saga continues.) Message-ID: <20040516203818.GY3044@dualathlon.random> References: <200405132232.01484.elenstev@mesatop.com> <20040516052220.GU3044@dualathlon.random> <200405160928.22021.elenstev@mesatop.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200405160928.22021.elenstev@mesatop.com> User-Agent: Mutt/1.4.1i X-GPG-Key: 1024D/68B9CB43 13D9 8355 295F 4823 7C49 C012 DFA1 686E 68B9 CB43 X-PGP-Key: 1024R/CB4660B9 CC A0 71 81 F4 A0 63 AC C0 4B 81 1D 8C 15 C8 E5 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, May 16, 2004 at 09:28:21AM -0600, Steven Cole wrote: > Andrea, I did see a significant slowdown with Andy's test script (with DMA on) > on my timed test of 2.6.6-current vs 2.6.3. 2.6.3 is quite old, as Andrew is wondering about, this is more likely a vm heuristic issue if something, it cannot be anon-vma related. btw, if you've 2.6.3 you should download just two patches to go to 2.6.5.