Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265146AbUF1Tbq (ORCPT ); Mon, 28 Jun 2004 15:31:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265155AbUF1T2R (ORCPT ); Mon, 28 Jun 2004 15:28:17 -0400 Received: from mproxy.gmail.com ([216.239.56.251]:43333 "HELO mproxy.gmail.com") by vger.kernel.org with SMTP id S265151AbUF1T1W (ORCPT ); Mon, 28 Jun 2004 15:27:22 -0400 Message-ID: <8783be6604062812277ee07aa@mail.gmail.com> Date: Mon, 28 Jun 2004 12:27:22 -0700 From: Ross Biro To: Matt Sexton Subject: Re: DRAM and PCI devices at same physical address Cc: linux-kernel@vger.kernel.org In-Reply-To: <1088198580.29697.62.camel@dhcp_client-120-140> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <1088198580.29697.62.camel@dhcp_client-120-140> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 652 Lines: 14 On 25 Jun 2004 17:23:00 -0400, Matt Sexton wrote: > > Should they be appearing there at all? Does Linux make any guarantees > when there is more physical memory than specified by "mem=" ? You've told linux there is only 512M of physical memory and it believes you, so it is using the available address space for memory mapped i/o. I know of no way to reserve memory on the command line. - 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/