From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailout04.sul.t-online.de ([194.25.134.18]:36629 "EHLO mailout04.sul.t-online.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750892AbXIMLYq (ORCPT ); Thu, 13 Sep 2007 07:24:46 -0400 Message-ID: <46E918FD.3070607@t-online.de> Date: Thu, 13 Sep 2007 13:03:25 +0200 From: Bernd Schmidt MIME-Version: 1.0 Subject: Re: [Uclinux-dist-devel] Re: [PATCH] Blackfin arch: add some missing syscall References: <1189670203.30686.15.camel@roc-desktop> <20070913081852.GC17367@parisc-linux.org> <8bd0f97a0709130137l55977c28w95cf8527ae8b9e24@mail.gmail.com> <1189673849.30686.28.camel@roc-desktop> In-Reply-To: <1189673849.30686.28.camel@roc-desktop> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org To: bryan.wu@analog.com Cc: Mike Frysinger , bernd.schmidt@analog.com, linux-arch@vger.kernel.org, Matthew Wilcox , Linux Kernel , Paul Mundt , uclinux-dist-devel@blackfin.uclinux.org, Andrew Morton List-ID: Bryan Wu wrote: >>> but mremap doesn't -- there's even an implementation in mm/nommu.c. >>> Could you check the rest of these over to see if they truly don't need >>> to be implemented for no-mmu? >> you're right we want mremap, my fault >> > > Yes, I do think so, both sys_mremap and sys_munmap are implemented in > mm/nommu.c. How do think of this, Bernd? There's a mremap in nommu.c, but it doesn't do a lot that is useful. With some further mm changes in our tree, it's little more than a fancy way of saying munmap, and uClibc does not use it, so there's no compelling need to have it in userspace. Bernd -- This footer brought to you by insane German lawmakers. Analog Devices GmbH Wilhelm-Wagenfeld-Str. 6 80807 Muenchen Sitz der Gesellschaft Muenchen, Registergericht Muenchen HRB 40368 Geschaeftsfuehrer Thomas Wessel, William A. Martin, Margaret Seif