Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754589AbXEHGHA (ORCPT ); Tue, 8 May 2007 02:07:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754384AbXEHGG5 (ORCPT ); Tue, 8 May 2007 02:06:57 -0400 Received: from terminus.zytor.com ([192.83.249.54]:48230 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754114AbXEHGG4 (ORCPT ); Tue, 8 May 2007 02:06:56 -0400 Message-ID: <4640137A.8030000@zytor.com> Date: Mon, 07 May 2007 23:06:50 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: Al Boldi CC: Dmitry Krivoschekov , linux-kernel@vger.kernel.org Subject: Re: Execute in place References: <200705030211.36293.a1426z@gawab.com> <200705072237.33217.a1426z@gawab.com> <463F80E3.8020204@zytor.com> <200705072356.51283.a1426z@gawab.com> In-Reply-To: <200705072356.51283.a1426z@gawab.com> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 842 Lines: 24 Al Boldi wrote: > >> What you're talking about is, *and should be*, a different filesystem. >> You will relatively quickly find that you have to deal with the same >> kind of stuff that you have to in any filesystem. > > That's exactly what I want to avoid, as this would introduce a performance > penalty. > > All we need is a periodically synced tmpfs to mmap, with a minimal stream > into page-cache algo on mount. > ... which would be completely useless, because you wouldn't get any sort of coherency; you would have pointers pointing into space, etc. etc. Sorry, it's useless. -hpa - 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/