Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752518AbXJVVVs (ORCPT ); Mon, 22 Oct 2007 17:21:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751173AbXJVVVl (ORCPT ); Mon, 22 Oct 2007 17:21:41 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:59904 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751065AbXJVVVk (ORCPT ); Mon, 22 Oct 2007 17:21:40 -0400 Message-ID: <471D145A.40904@garzik.org> Date: Mon, 22 Oct 2007 17:21:30 -0400 From: Jeff Garzik User-Agent: Thunderbird 2.0.0.5 (X11/20070727) MIME-Version: 1.0 To: Alan Cox CC: Linus Torvalds , Geert Uytterhoeven , Jens Axboe , Linux Kernel Development , mingo@elte.hu, Linux/m68k Subject: Re: [PATCH 09/10] Change table chaining layout References: <1193076664-13652-1-git-send-email-jens.axboe@oracle.com> <1193076664-13652-10-git-send-email-jens.axboe@oracle.com> <20071022211617.31f5c63d@the-village.bc.nu> In-Reply-To: <20071022211617.31f5c63d@the-village.bc.nu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.1.9 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 600 Lines: 16 Alan Cox wrote: > Why can't we just make the list one item longer than the entry count and > stick a NULL on the end of it like normal people ? Certainly seems safer than the current "let's run off the end of the list if anything bad happens" setup... And I do not think allocating n+1 scatterlist entries will have much of a negative impact. Jeff - 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/