Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756535AbYHVSNa (ORCPT ); Fri, 22 Aug 2008 14:13:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754814AbYHVSNR (ORCPT ); Fri, 22 Aug 2008 14:13:17 -0400 Received: from mail2.shareable.org ([80.68.89.115]:37592 "EHLO mail2.shareable.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754955AbYHVSNR (ORCPT ); Fri, 22 Aug 2008 14:13:17 -0400 Date: Fri, 22 Aug 2008 19:13:14 +0100 From: Jamie Lokier To: Greg Ungerer Cc: Jared Hulbert , Linux-kernel@vger.kernel.org, linux-embedded@vger.kernel.org, linux-mtd , =?iso-8859-1?Q?J=F6rn?= Engel , tim.bird@am.sony.com, cotte@de.ibm.com, nickpiggin@yahoo.com.au Subject: Re: [PATCH 00/10] AXFS: Advanced XIP filesystem Message-ID: <20080822181314.GB24179@shareable.org> References: <48AD00C4.6060302@gmail.com> <20080821110749.GA1926@shareable.org> <6934efce0808210711t686a88eci6eb294dbb54d68fe@mail.gmail.com> <48AE0476.80109@snapgear.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48AE0476.80109@snapgear.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 819 Lines: 18 Greg Ungerer wrote: > One thing for sure is that many people who do non-MMU setups > are interested in XIP to get the space savings. These are very > often small devices with very constrained RAM and flash. (For > whatever it is worth single NOR flash only boards are common in > these smaller form factors :-) I'm using XIP on a device with 32MB RAM. The reason I use it is _partly_ to save RAM, partly because programs start about 10 times faster (reading NOR flash is slow and I keep the XIP region in RAM) and partly because it reduces memory fragmentation. -- Jamie -- 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/