Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 6 Aug 2002 23:57:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 6 Aug 2002 23:57:15 -0400 Received: from garrincha.netbank.com.br ([200.203.199.88]:30477 "HELO garrincha.netbank.com.br") by vger.kernel.org with SMTP id ; Tue, 6 Aug 2002 23:57:11 -0400 Date: Wed, 7 Aug 2002 01:00:28 -0300 (BRT) From: Rik van Riel X-X-Sender: riel@imladris.surriel.com To: William Lee Irwin III cc: Andrew Morton , Subject: Re: fix CONFIG_HIGHPTE In-Reply-To: <20020807013152.GA15685@holomorphy.com> Message-ID: X-spambait: aardvark@kernelnewbies.org X-spammeplease: aardvark@nl.linux.org MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1068 Lines: 31 On Tue, 6 Aug 2002, William Lee Irwin III wrote: > On Tue, 6 Aug 2002, Andrew Morton wrote: > >> Is it likely that large pages and/or shared pagetables would allow us to > >> place pagetables and pte_chains in the direct-mapped region, avoid all > >> this? > > On Tue, Aug 06, 2002 at 09:50:50PM -0300, Rik van Riel wrote: > > For all workloads we care about, yes. > > Not the university workload. NFI what my employer thinks of it, but I > care about it for the sake of correctness in all cases. > > Lynch me now. I agree with you, but you'll also have to confess that keeping pagetables around at all (whether it's in highmem or not) will potentially be a disaster for the university workload. regards, Rik -- Bravely reimplemented by the knights who say "NIH". http://www.surriel.com/ http://distro.conectiva.com/ - 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/