From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 21 Jul 2000 08:51:41 -0500 (CDT) From: Jeff Garzik Subject: Re: Marking a physical page as uncacheable In-Reply-To: <20000720200754Z131167-4584+7@kanga.kvack.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Timur Tabi Cc: Linux MM mailing list List-ID: On Thu, 20 Jul 2000, Timur Tabi wrote: > ** Reply to message from Manfred Spraul on Thu, 20 > Jul 2000 18:16:56 +0200 > > You could use ClearPageReserved() + ioremap(), but ioremap() is limited > > to the first 4 GB. > > Is there an ioUNremap()? I need to perform tests on the memory region with the It's called iounmap. Please take a look at drivers which use the functions are you interested in... Also look at the docs :) Documentation/IO-mapping.txt would be particularly helpful in this instance. Jeff -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux.eu.org/Linux-MM/