Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751411AbWEDG57 (ORCPT ); Thu, 4 May 2006 02:57:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751417AbWEDG57 (ORCPT ); Thu, 4 May 2006 02:57:59 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:17424 "EHLO spitz.ucw.cz") by vger.kernel.org with ESMTP id S1751411AbWEDG57 (ORCPT ); Thu, 4 May 2006 02:57:59 -0400 Date: Wed, 3 May 2006 19:14:22 +0000 From: Pavel Machek To: Jared Hulbert Cc: Arnd Bergmann , linux-kernel@vger.kernel.org Subject: Re: [RFC] Advanced XIP File System Message-ID: <20060503191422.GC4404@ucw.cz> References: <6934efce0605021453l31a438c4j7c429e6973ab4546@mail.gmail.com> <200605030200.29141.arnd@arndb.de> <6934efce0605021859u55131e63xd8dab3d4396d7f56@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6934efce0605021859u55131e63xd8dab3d4396d7f56@mail.gmail.com> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 784 Lines: 28 Hi! > Also ext2 doesn't do compression, and it doesn't let me > pick out > specific pages in files to XIP or compress. Patches for compressed ext2 exist; and it has many other nice uses, too... > >why? by how much? > > Data packing: > 1) When mkcramfs is writing files to the image it mixes > compress and > XIP files. XIP files are page aligned. Compressed > files are not. I > think it was about 3.3% wasted I measured on an actual > production > linux phone. Which one, btw? I guess I need a new phone :-) -- Thanks, Sharp! - 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/