From owner-freebsd-arch@FreeBSD.ORG  Thu Nov 23 00:37:41 2006
Return-Path: <owner-freebsd-arch@FreeBSD.ORG>
X-Original-To: arch@freebsd.org
Delivered-To: freebsd-arch@FreeBSD.ORG
Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 32A1216A412
	for <arch@freebsd.org>; Thu, 23 Nov 2006 00:37:41 +0000 (UTC)
	(envelope-from kip.macy@gmail.com)
Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.184])
	by mx1.FreeBSD.org (Postfix) with ESMTP id F037043D55
	for <arch@freebsd.org>; Thu, 23 Nov 2006 00:37:08 +0000 (GMT)
	(envelope-from kip.macy@gmail.com)
Received: by nf-out-0910.google.com with SMTP id x37so661277nfc
	for <arch@freebsd.org>; Wed, 22 Nov 2006 16:37:39 -0800 (PST)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com;
	h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references;
	b=EOlZYS4OR5OijwtrkCbP5OjLaae7K8tsccQ8PwviGJBXTJk6DVUfH5g1y9aa1Ma8qy3f4xpNMitHr7BTl6dvBmahH4ubAniv4PfIMKCmbNfBLX8CGNU/9rfbtxDkkYS5L3kIqqzKw2S/HTMOhP9mgPBXfvwvs/QM7sZQQQL8o9k=
Received: by 10.82.175.2 with SMTP id x2mr1347658bue.1164242258626;
	Wed, 22 Nov 2006 16:37:38 -0800 (PST)
Received: by 10.82.191.20 with HTTP; Wed, 22 Nov 2006 16:37:38 -0800 (PST)
Message-ID: <b1fa29170611221637t5c0b36c1u74aaa993c849e05c@mail.gmail.com>
Date: Wed, 22 Nov 2006 16:37:38 -0800
From: "Kip Macy" <kip.macy@gmail.com>
To: "Alan Cox" <alc@cs.rice.edu>
In-Reply-To: <45649E42.70409@cs.rice.edu>
MIME-Version: 1.0
References: <b1fa29170611220939g32469638ncf3a3ddd4bba3670@mail.gmail.com>
	<45649E42.70409@cs.rice.edu>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
X-Content-Filtered-By: Mailman/MimeDel 2.1.5
Cc: arch@freebsd.org
Subject: Re: superpage plans
X-BeenThere: freebsd-arch@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussion related to FreeBSD architecture <freebsd-arch.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arch>
List-Post: <mailto:freebsd-arch@freebsd.org>
List-Help: <mailto:freebsd-arch-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 23 Nov 2006 00:37:41 -0000

On 11/22/06, Alan Cox <alc@cs.rice.edu> wrote:
>
> Kip Macy wrote:
>
> > Do you have any thoughts on when superpage support might go into
> -CURRENT?
> >
> I plan to do it over the Christmas holidays.  I will merge it in three
> stages: First, the new buddy-style physical memory allocator
> (vm/vm_phys.c).  Second, the superpage reservation system.  Third, pmap
> support for individual architectures.


That is great to hear. I'm waiting on pins and needles for this. With 4 page
sizes and comparatively small TLBs, the T1 will likely benefit greatly from
your work.

 -Kip