Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 26 Oct 2001 12:13:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 26 Oct 2001 12:13:17 -0400 Received: from [207.8.4.6] ([207.8.4.6]:12647 "EHLO one.interactivesi.com") by vger.kernel.org with ESMTP id ; Fri, 26 Oct 2001 12:13:10 -0400 Message-ID: <3BD98BAC.9060503@interactivesi.com> Date: Fri, 26 Oct 2001 11:13:32 -0500 From: Timur Tabi User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.4) Gecko/20010913 X-Accept-Language: en-us MIME-Version: 1.0 To: "Albert D. Cahalan" CC: linux-kernel@vger.kernel.org Subject: Re: Allocating more than 890MB in the kernel? In-Reply-To: <200110250404.f9P44KM162546@saturn.cs.uml.edu> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Albert D. Cahalan wrote: > 1. reserve a 3 GB chunk of memory at boot > 2. create a regular user process > 3. have that process make a system call which will never return > 4. in that system call, wipe out all memory mappings in the process > 5. hand-craft a 3 GB memory mapping (0 GB virt --> 1 GB phys) > 6. call your desired code, remembering to schedule by hand Thanks, that's the most useful idea I've gotten. It's crazy, but it just might work! Too bad no one else on this list can think outside of the box like you just did. - 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/