From owner-freebsd-arch@FreeBSD.ORG Tue Jan 17 21:48:46 2006 Return-Path: X-Original-To: arch@freebsd.org Delivered-To: freebsd-arch@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6E1AF16A420; Tue, 17 Jan 2006 21:48:46 +0000 (GMT) (envelope-from julian@elischer.org) Received: from a50.ironport.com (a50.ironport.com [63.251.108.112]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1FF0043D49; Tue, 17 Jan 2006 21:48:44 +0000 (GMT) (envelope-from julian@elischer.org) Received: from unknown (HELO [10.251.23.146]) ([10.251.23.146]) by a50.ironport.com with ESMTP; 17 Jan 2006 13:48:44 -0800 X-IronPort-Anti-Spam-Filtered: true Message-ID: <43CD663B.6010703@elischer.org> Date: Tue, 17 Jan 2006 13:48:43 -0800 From: Julian Elischer User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.7.11) Gecko/20050727 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Julian Elischer References: <20060117002541.I602@10.0.0.1> <43CD612E.2060002@elischer.org> In-Reply-To: <43CD612E.2060002@elischer.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: alc@freebsd.org, arch@freebsd.org Subject: Re: Large virtual page size support. X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Jan 2006 21:48:46 -0000 Julian Elischer wrote: > Jeff Roberson wrote: > >> I have implemented support in the vm for PAGE_SIZE values which are a >> multiple of the hardware page size. This is primarily useful for two >> things: > > > > Mach (and the VM system we inherrited from it) had this. I beieve it > was removed with teh comment > "If we need this and someone is willing to support it it can be added > back" . I can't see any record of it in our CVS files but I distinctly remember it in MACH. Not sure when it was removed. > > It always seemed like in interesting idea and I'm happy to see that it > is still being looked at. >