From owner-freebsd-current@FreeBSD.ORG Wed Jul 18 17:18:48 2007 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 6635B16A402 for ; Wed, 18 Jul 2007 17:18:48 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from mail-out4.apple.com (mail-out4.apple.com [17.254.13.23]) by mx1.freebsd.org (Postfix) with ESMTP id 4D27813C4A6 for ; Wed, 18 Jul 2007 17:18:48 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from relay8.apple.com (relay8.apple.com [17.128.113.38]) by mail-out4.apple.com (Postfix) with ESMTP id 35573C58468; Wed, 18 Jul 2007 10:18:48 -0700 (PDT) Received: from relay8.apple.com (unknown [127.0.0.1]) by relay8.apple.com (Symantec Mail Security) with ESMTP id 2055140117; Wed, 18 Jul 2007 10:18:48 -0700 (PDT) X-AuditID: 11807126-a6446bb0000007e3-87-469e4b78d035 Received: from [17.214.13.96] (cswiger1.apple.com [17.214.13.96]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by relay8.apple.com (Apple SCV relay) with ESMTP id 05D43400F3; Wed, 18 Jul 2007 10:18:48 -0700 (PDT) In-Reply-To: References: <09BFF2FA5EAB4A45B6655E151BBDD9030483F161@NT-IRVA-0750.brcm.ad.broadcom.com> <2E0C9A04-678B-4C44-9D2E-5500F2C08FE7@mac.com> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <8FC96834-0E90-4BD5-A324-9C39E47F3E8B@mac.com> Content-Transfer-Encoding: 7bit From: Chuck Swiger Date: Wed, 18 Jul 2007 10:18:47 -0700 To: Kip Macy X-Mailer: Apple Mail (2.752.2) X-Brightmail-Tracker: AAAAAA== Cc: David Christensen , current@freebsd.org Subject: Re: Getting/Forcing Greater than 4KB Buffer Allocations X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Jul 2007 17:18:48 -0000 On Jul 17, 2007, at 5:23 PM, Kip Macy wrote: >> Is "sysctl hw.pagesize" different on the two systems? It sure looks >> like the first machine is using a 4KB pagesize, whereas the second >> machine is using an 8KB pagesize... > > There is no such thing as 8k physical pages on ia32 or x86_64. True, but m68k, SPARC, maybe PPC have 8K pages, IIRC... :-) -- -Chuck