From owner-freebsd-hackers@FreeBSD.ORG Wed Aug 27 11:51:46 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D74331065677 for ; Wed, 27 Aug 2008 11:51:46 +0000 (UTC) (envelope-from kris@FreeBSD.org) Received: from weak.local (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id B6FD88FC12; Wed, 27 Aug 2008 11:51:44 +0000 (UTC) (envelope-from kris@FreeBSD.org) Message-ID: <48B53FCB.4000107@FreeBSD.org> Date: Wed, 27 Aug 2008 13:51:39 +0200 From: Kris Kennaway User-Agent: Thunderbird 2.0.0.16 (Macintosh/20080707) MIME-Version: 1.0 To: Daniel O'Connor References: <18612.51201.285688.628405@gargle.gargle.HOWL> <48B52AEE.9080205@FreeBSD.org> <200808272042.43260.doconnor@gsoft.com.au> In-Reply-To: <200808272042.43260.doconnor@gsoft.com.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-hackers@freebsd.org, barry.boes@acciodata.com Subject: Re: kvm on amd64 - >6G? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Aug 2008 11:51:46 -0000 Daniel O'Connor wrote: > On Wed, 27 Aug 2008, Kris Kennaway wrote: >> will now get you this: >> >> vm.kvm_free: 547729960960 >> vm.kvm_size: 549755809792 >> >> on HEAD. :-) > > Holy fat cache Batman! > > Any chance it could be made a tunable? > I don't know what the impact might be of changing these constants to runtime variable accesses, if they are in a critical path somewhere. Kris