Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S970207AbXFHWSj (ORCPT ); Fri, 8 Jun 2007 18:18:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759732AbXFHWSb (ORCPT ); Fri, 8 Jun 2007 18:18:31 -0400 Received: from mga09.intel.com ([134.134.136.24]:27044 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751748AbXFHWSb (ORCPT ); Fri, 8 Jun 2007 18:18:31 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.16,401,1175497200"; d="scan'208";a="94940763" Message-ID: <4669D55C.6040803@linux.intel.com> Date: Fri, 08 Jun 2007 15:17:00 -0700 From: Arjan van de Ven User-Agent: Thunderbird 1.5 (Windows/20051201) MIME-Version: 1.0 To: Andrew Morton CC: "Keshavamurthy, Anil S" , Andreas Kleen , linux-kernel@vger.kernel.org, gregkh@suse.de, muli@il.ibm.com, asit.k.mallick@intel.com, suresh.b.siddha@intel.com, ashok.raj@intel.com, shaohua.li@intel.com, davem@davemloft.net Subject: Re: [Intel-IOMMU 02/10] Library routine for pre-allocat pool handling References: <20070606185658.138237000@askeshav-devel.jf.intel.com> <20070606190042.510643000@askeshav-devel.jf.intel.com> <20070607162726.2236a296.akpm@linux-foundation.org> <20070608182156.GA24865@linux-os.sc.intel.com> <20070608120107.245eba96.akpm@linux-foundation.org> <6901450.1181335390183.SLOX.WebMail.wwwrun@imap-dhs.suse.de> <20070608212054.GB641@linux-os.sc.intel.com> <20070608144207.07341ee7.akpm@linux-foundation.org> In-Reply-To: <20070608144207.07341ee7.akpm@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 604 Lines: 14 Andrew Morton wrote: > Put much effort into removing the GFP_ATOMIC and using GFP_NOIO instead: > there's your problem right there. > > If for some reason you really can't do that (and a requirement for > allocation-in-interrupt is the only valid reason, really) and that's the case here; IO gets submitted from IRQ handlers (both network and block)....... - 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/