From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262685AbVAVJxb (ORCPT ); Sat, 22 Jan 2005 04:53:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262686AbVAVJxb (ORCPT ); Sat, 22 Jan 2005 04:53:31 -0500 Received: from main.gmane.org ([80.91.229.2]:15597 "EHLO main.gmane.org") by vger.kernel.org with ESMTP id S262685AbVAVJx0 (ORCPT ); Sat, 22 Jan 2005 04:53:26 -0500 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: =?iso-8859-1?q?M=E5ns_Rullg=E5rd?= Subject: Re: How to examine physical address content in Linux Date: Sat, 22 Jan 2005 10:53:21 +0100 Message-ID: References: <007b01c50064$f9c64f60$f447728c@linux8l5god6us> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: 76.80-203-227.nextgentel.com User-Agent: Gnus/5.1006 (Gnus v5.10.6) XEmacs/21.4 (Security Through Obscurity, linux) Cancel-Lock: sha1:6WIIY0mkg6FhSqsuCQuoDWWVVTk= Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org "Kai-Yuan Ho" writes: > Dear all: > As I know , the address we can see are virtual address. > How can I examine physical address content in Linux? If you want to look at a specific physical address, you can read (or mmap) /dev/mem, if you are root. Be careful though, even reading certain addresses will crash your computer. If you want the virtual to physical mapping for your process, there is no simple way. -- Måns Rullgård mru@inprovide.com