From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: QUEUE_FLAG_CLUSTER: not working in 2.6.24 ? Date: Thu, 13 Dec 2007 11:53:26 -0700 Message-ID: <20071213185326.GQ26334@parisc-linux.org> References: <47617B92.6020908@rtr.ca> <47617C07.3020501@rtr.ca> <47617E72.6080504@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from palinux.external.hp.com ([192.25.206.14]:49717 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758783AbXLMSx1 (ORCPT ); Thu, 13 Dec 2007 13:53:27 -0500 Content-Disposition: inline In-Reply-To: <47617E72.6080504@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Jens Axboe , IDE/ATA development list , Linux Kernel , linux-scsi On Thu, Dec 13, 2007 at 01:48:18PM -0500, Mark Lord wrote: > Problem confirmed. 2.6.23.8 regularly generates segments up to 64KB for > libata, > but 2.6.24 uses only 4KB segments and a *few* 8KB segments. Just a suspicion ... could this be slab vs slub? ie check your configs are the same / similar between the two kernels. -- Intel are signing my paycheques ... these opinions are still mine "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step."