From owner-svn-src-all@FreeBSD.ORG Sat Aug 24 16:55:11 2013 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 4371F927 for ; Sat, 24 Aug 2013 16:55:11 +0000 (UTC) (envelope-from andre@freebsd.org) Received: from c00l3r.networx.ch (c00l3r.networx.ch [62.48.2.2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id AAE512867 for ; Sat, 24 Aug 2013 16:55:10 +0000 (UTC) Received: (qmail 93552 invoked from network); 24 Aug 2013 17:37:41 -0000 Received: from c00l3r.networx.ch (HELO [127.0.0.1]) ([62.48.2.2]) (envelope-sender ) by c00l3r.networx.ch (qmail-ldap-1.03) with SMTP for ; 24 Aug 2013 17:37:41 -0000 Message-ID: <5218E563.7030308@freebsd.org> Date: Sat, 24 Aug 2013 18:54:59 +0200 From: Andre Oppermann User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 MIME-Version: 1.0 To: Andre Oppermann Subject: Re: svn commit: r254780 - in head/sys: kern sys References: <201308241315.r7ODFgtK003250@svn.freebsd.org> In-Reply-To: <201308241315.r7ODFgtK003250@svn.freebsd.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Aug 2013 16:55:11 -0000 On 24.08.2013 15:15, Andre Oppermann wrote: > Author: andre > Date: Sat Aug 24 13:15:42 2013 > New Revision: 254780 > URL: http://svnweb.freebsd.org/changeset/base/254780 > > Log: > dd a 24 bits wide ext_flags field to m_ext by reducing ext_type > to 8 bits. ext_type is an enumerator and the number of types we > have is a mere dozen. > > A couple of ext_types are renumbered to fit within 8 bits. > > EXT_VENDOR[1-4] and EXT_EXP[1-4] types for vendor-internal and > experimental local mapping. > > The ext_flags field is currently unused but has a couple of flags > already defined for future use. Again vendor and experimental > flags are provided for local mapping. > > EXT_FLAG_BITS is provided for the printf(9) %b identifier. > > Initialize and copy ext_flags in the relevant mbuf functions. > > Improve alignment and packing of struct m_ext on 32 and 64 archs > by carefully sorting the fields. Sponsored by: The FreeBSD Foundation -- Andre