From owner-freebsd-hackers@FreeBSD.ORG Sat Mar 15 17:39:30 2014 Return-Path: Delivered-To: freebsd-hackers@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 ESMTPS id 22E71615 for ; Sat, 15 Mar 2014 17:39:30 +0000 (UTC) Received: from felyko.com (felyko.com [IPv6:2607:f2f8:a528::3:1337:ca7]) by mx1.freebsd.org (Postfix) with ESMTP id 0DB28122 for ; Sat, 15 Mar 2014 17:39:30 +0000 (UTC) Received: from [10.0.1.3] (c-24-6-115-18.hsd1.ca.comcast.net [24.6.115.18]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by felyko.com (Postfix) with ESMTPSA id 4DBA639843; Sat, 15 Mar 2014 10:39:29 -0700 (PDT) Content-Type: text/plain; charset=iso-8859-1 Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\)) Subject: Re: mbuf question From: Rui Paulo In-Reply-To: <532405B7.2020007@gmail.com> Date: Sat, 15 Mar 2014 10:39:28 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: <96659837-1FDC-421D-A339-87104A0075C7@FreeBSD.org> References: <53230214.7010501@gmail.com> <532405B7.2020007@gmail.com> To: Hooman Fazaeli X-Mailer: Apple Mail (2.1874) Cc: FreeBSD Hackers X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 15 Mar 2014 17:39:30 -0000 On 15 Mar 2014, at 00:48, Hooman Fazaeli = wrote: > What about the area started at (m->m_ext + 1) whose size is (MHLEN - = sizeof(struct m_ext))? > Is there any known uses of this area in the stack? I'm not sure what you mean by m_ext + 1, but what are you trying to do? = If you need to tag an mbuf, use mbuf tags. -- Rui Paulo