Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263212AbTECAag (ORCPT ); Fri, 2 May 2003 20:30:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263219AbTECAag (ORCPT ); Fri, 2 May 2003 20:30:36 -0400 Received: from news.cistron.nl ([62.216.30.38]:49678 "EHLO ncc1701.cistron.net") by vger.kernel.org with ESMTP id S263212AbTECAaf (ORCPT ); Fri, 2 May 2003 20:30:35 -0400 From: miquels@cistron-office.nl (Miquel van Smoorenburg) Subject: Re: sendfile Date: Sat, 3 May 2003 00:42:59 +0000 (UTC) Organization: Cistron Group Message-ID: 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-Transfer-Encoding: 7BIT X-Trace: ncc1701.cistron.net 1051922579 25683 62.216.29.200 (3 May 2003 00:42:59 GMT) X-Complaints-To: abuse@cistron.nl X-Newsreader: trn 4.0-test76 (Apr 2, 2001) Originator: miquels@cistron-office.nl (Miquel van Smoorenburg) To: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 708 Lines: 11 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 Mike. - 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/