From owner-freebsd-arch Fri Dec 1 17:57:11 2000 Delivered-To: freebsd-arch@freebsd.org Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by hub.freebsd.org (Postfix) with ESMTP id E5C6437B400; Fri, 1 Dec 2000 17:57:08 -0800 (PST) Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu [152.3.145.30]) by duke.cs.duke.edu (8.9.3/8.9.3) with ESMTP id UAA25666; Fri, 1 Dec 2000 20:57:01 -0500 (EST) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.11.1/8.9.1) id eB21v1Y06449; Fri, 1 Dec 2000 20:57:01 -0500 (EST) (envelope-from gallatin@cs.duke.edu) From: Andrew Gallatin MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Fri, 1 Dec 2000 20:57:00 -0500 (EST) To: dg@root.com Cc: Bosko Milekic , "Kenneth D. Merry" , arch@FreeBSD.ORG, alfred@FreeBSD.ORG Subject: Re: zero copy code review In-Reply-To: <200012012326.PAA14154@implode.root.com> References: <14888.9802.415926.434956@grasshopper.cs.duke.edu> <200012012326.PAA14154@implode.root.com> X-Mailer: VM 6.43 under 20.4 "Emerald" XEmacs Lucid Message-ID: <14888.22179.833528.247128@grasshopper.cs.duke.edu> Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG David Greenman writes: > Oops. The original assumption (and code that I wrote) was that M_WAIT > _cannot_ return a NULL pointer. This was changed in FreeBSD recently, and Yes, that's always been my assumption too. That's why I never noticed it... Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message