From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760644AbZB0Vb6 (ORCPT ); Fri, 27 Feb 2009 16:31:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755763AbZB0Vbt (ORCPT ); Fri, 27 Feb 2009 16:31:49 -0500 Received: from terminus.zytor.com ([198.137.202.10]:33340 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753584AbZB0Vbt (ORCPT ); Fri, 27 Feb 2009 16:31:49 -0500 Message-ID: <49A85AF8.8030009@zytor.com> Date: Fri, 27 Feb 2009 13:28:24 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Jeremy Fitzhardinge CC: Yinghai Lu , Ingo Molnar , the arch/x86 maintainers , Linux Kernel Mailing List Subject: Re: [PATCH RFC] x86: add brk allocation for very, very early allocations References: <49A829CE.9020509@goop.org> <49A84C5A.3020304@kernel.org> <49A855B7.4090204@zytor.com> <49A858E8.3070707@goop.org> In-Reply-To: <49A858E8.3070707@goop.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jeremy Fitzhardinge wrote: > >> This reminds me... is your intent that the BRK is permanent (unless >> explicitly freed on a page by page basis) or part of the init memory >> that is flushed? > > Permanent. I'm using it to allocate things which are the moral > equivalent of the kernel pagetables. > Cool; just wanted it noted what the rules were. Even more so the reason to fold as many possible uses as possible into this new mechanism. -hpa P.S. Could you send me the updates to the dom0 patches you said you had? -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.