Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263268AbTECOpk (ORCPT ); Sat, 3 May 2003 10:45:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263272AbTECOpj (ORCPT ); Sat, 3 May 2003 10:45:39 -0400 Received: from mark.mielke.cc ([216.209.85.42]:33299 "EHLO mark.mielke.cc") by vger.kernel.org with ESMTP id S263268AbTECOpj (ORCPT ); Sat, 3 May 2003 10:45:39 -0400 Date: Sat, 3 May 2003 11:04:54 -0400 From: Mark Mielke To: Miquel van Smoorenburg Cc: linux-kernel@vger.kernel.org Subject: Re: sendfile Message-ID: <20030503150454.GA10424@mark.mielke.cc> References: <20030502024147.GA523@mark.mielke.cc> <3EB1F1CD.4060702@nortelnetworks.com> <20030502210648.GA5322@mark.mielke.cc> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1358 Lines: 31 On Sat, May 03, 2003 at 12:42:59AM +0000, Miquel van Smoorenburg wrote: > In article <20030502210648.GA5322@mark.mielke.cc>, > Mark Mielke wrote: > >One question it raises in my mind, is whether there would be value in > >improving write()/send() such that they detect that the userspace > >pointer refers entirely to mmap()'d file pages, and therefore no copy > >of data from userspace -> kernelspace should be performed. > You mean like > http://hypermail.idiosynkrasia.net/linux-kernel/archived/2003/week00/0056.html Yes, definately, and thank you for referring us to work that has already been done. mark -- mark@mielke.cc/markm@ncf.ca/markm@nortelnetworks.com __________________________ . . _ ._ . . .__ . . ._. .__ . . . .__ | Neighbourhood Coder |\/| |_| |_| |/ |_ |\/| | |_ | |/ |_ | | | | | | \ | \ |__ . | | .|. |__ |__ | \ |__ | Ottawa, Ontario, Canada One ring to rule them all, one ring to find them, one ring to bring them all and in the darkness bind them... http://mark.mielke.cc/ - 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/