From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265206AbUGDQ6F (ORCPT ); Sun, 4 Jul 2004 12:58:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265210AbUGDQ6F (ORCPT ); Sun, 4 Jul 2004 12:58:05 -0400 Received: from holomorphy.com ([207.189.100.168]:33738 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S265206AbUGDQ5n (ORCPT ); Sun, 4 Jul 2004 12:57:43 -0400 Date: Sun, 4 Jul 2004 09:57:39 -0700 From: William Lee Irwin III To: Fawad Lateef Cc: linux-kernel@vger.kernel.org Subject: Re: Need help in creating 8GB RAMDISK Message-ID: <20040704165739.GG21066@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Fawad Lateef , linux-kernel@vger.kernel.org References: <20040704092523.58214.qmail@web20806.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040704092523.58214.qmail@web20806.mail.yahoo.com> User-Agent: Mutt/1.5.5.1+cvs20040105i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jul 04, 2004 at 02:25:23AM -0700, Fawad Lateef wrote: > I am creating a RAMDISK of 7GB (from 1GB to 8GB). I > reserved the RAM by changing the code in > arch/i386/mm/init.c .......... > But I am not able to access the RAM from 1GB to 8GB in > a kernel module ........ after crossing the 4GB RAM, > the system goes into standby state. But if I insert > the same module 2 times means one for 1GB to 4GB and > other for 4GB to 8GB. and mount them seprately both > works fine ............ > Can any one tell me the reason behind this ??? I think > that in a single module we can't access more than 4GB > RAM ...... If this is the reason then what to do ??? I > need 7GB RAMDISK as a single drive .... The state of affairs here is too sad to describe. You are going to have to find some other way to do what you're trying to do. -- wli