From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH 10/28] i386: map enough initial memory to create lowmem mappings Date: Mon, 23 Apr 2007 12:14:40 -0700 Message-ID: <462D05A0.1020100@zytor.com> References: <20070414204154.871250608@goop.org> <200704192250.52633.ak@suse.de> <4627D756.5020405@zytor.com> <200704192304.01053.ak@suse.de> <4627DB0C.2010804@zytor.com> <4627DDAD.4070805@redhat.com> <4627E099.209@goop.org> <462CE027.4030302@goop.org> <462CE1E0.9060007@zytor.com> <462CF5B8.4070708@xensource.com> <462D04B2.6080008@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <462D04B2.6080008@goop.org> Sender: linux-kernel-owner@vger.kernel.org To: Jeremy Fitzhardinge Cc: "Eric W. Biederman" , Jeremy Fitzhardinge , lkml , Chris Wright , virtualization@lists.osdl.org, Chuck Ebbert , Andrew Morton , Linus Torvalds List-Id: virtualization@lists.linuxfoundation.org Jeremy Fitzhardinge wrote: > > Why not? Er, except in the case where the page is needed to map itself > - but that can be dealt with with a transient fixmap mapping. > It would be *trivial* to make a certain number of page table slots available at the end of the head.S-generated map. -hpa