From owner-freebsd-fs@FreeBSD.ORG Tue Oct 9 19:27:43 2007 Return-Path: Delivered-To: freebsd-fs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 62FE516A418; Tue, 9 Oct 2007 19:27:43 +0000 (UTC) (envelope-from darrenr@freebsd.org) Received: from out1.smtp.messagingengine.com (out1.smtp.messagingengine.com [66.111.4.25]) by mx1.freebsd.org (Postfix) with ESMTP id 1459013C44B; Tue, 9 Oct 2007 19:27:42 +0000 (UTC) (envelope-from darrenr@freebsd.org) Received: from compute1.internal (compute1.internal [10.202.2.41]) by out1.messagingengine.com (Postfix) with ESMTP id 9AE0F30E20; Tue, 9 Oct 2007 15:27:42 -0400 (EDT) Received: from heartbeat1.messagingengine.com ([10.202.2.160]) by compute1.internal (MEProxy); Tue, 09 Oct 2007 15:27:42 -0400 X-Sasl-enc: zfUDSWbegn5Na/9yFsg6Mj5G7ulbSSGa03FhJ4Wq7PGk 1191958062 Received: from [192.168.1.235] (64-142-85-108.dsl.dynamic.sonic.net [64.142.85.108]) by mail.messagingengine.com (Postfix) with ESMTP id D5C505637; Tue, 9 Oct 2007 15:27:41 -0400 (EDT) Message-ID: <470BD649.9050505@freebsd.org> Date: Tue, 09 Oct 2007 12:28:09 -0700 From: Darren Reed User-Agent: Thunderbird 2.0.0.0 (Windows/20070326) MIME-Version: 1.0 To: Pawel Jakub Dawidek References: <20071005000046.GC92272@garage.freebsd.pl> <20071008121523.GM2327@garage.freebsd.pl> <86bqb97mym.fsf@ds4.des.no> <20071008133846.GP2327@garage.freebsd.pl> In-Reply-To: <20071008133846.GP2327@garage.freebsd.pl> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-fs@FreeBSD.org, Dag-Erling Sm??rgrav , freebsd-current@FreeBSD.org Subject: Re: ZFS kmem_map too small. X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Oct 2007 19:27:43 -0000 Pawel Jakub Dawidek wrote: > ... > > For i386 one has to set, eg. 'options KVA_PAGES=512' to the kernel > config to be able to define kmem larger than ~700MB. I guess you're > running amd64, maybe there is similar requirement? > Given how much RAM PCs have these days, why isn't this a default for GENERIC? Or why isn't it at least a tunable rather than an option? Darren