From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752746AbYKGHqh (ORCPT ); Fri, 7 Nov 2008 02:46:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751115AbYKGHq2 (ORCPT ); Fri, 7 Nov 2008 02:46:28 -0500 Received: from host254-130-static.190-82-b.business.telecomitalia.it ([82.190.130.254]:44902 "EHLO nausicaa2.coritel.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750929AbYKGHq1 (ORCPT ); Fri, 7 Nov 2008 02:46:27 -0500 Message-ID: <4913F24F.7030904@coritel.it> Date: Fri, 07 Nov 2008 08:46:23 +0100 From: Marco Stornelli Organization: CoRiTeL User-Agent: Thunderbird 2.0.0.17 (X11/20080922) MIME-Version: 1.0 To: mtk.manpages@gmail.com, rdunlap@xenotime.net, linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] [RESEND] documentation: xip documentation update X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marco Stornelli xip documentation updated Signed-off-by: Marco Stornelli --- --- a/Documentation/filesystems/xip.txt.orig 2008-08-20 20:11:37.000000000 +0200 +++ b/Documentation/filesystems/xip.txt 2008-11-06 12:47:48.000000000 +0200 @@ -39,10 +39,11 @@ The block device operation is optional, today: - dcssblk: s390 dcss block device driver -An address space operation named get_xip_page is used to retrieve reference -to a struct page. To address the target page, a reference to an address_space, -and a sector number is provided. A 3rd argument indicates whether the -function should allocate blocks if needed. +An address space operation named get_xip_mem is used to retrieve references +to a page frame number and a kernel address. To obtain these values a reference +to an address_space is provided. This function assigns values to the kmem and +pfn parameters. The third argument indicates whether the function should allocate +blocks if needed. This address space operation is mutually exclusive with readpage&writepage that do page cache read/write operations.