From owner-freebsd-current@FreeBSD.ORG Thu Jan 6 19:39:55 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B8B2D16A4CE; Thu, 6 Jan 2005 19:39:55 +0000 (GMT) Received: from ox.eicat.ca (ox.eicat.ca [66.96.30.35]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8B4BC43D46; Thu, 6 Jan 2005 19:39:55 +0000 (GMT) (envelope-from dgilbert@daveg.ca) Received: by ox.eicat.ca (Postfix, from userid 66) id 03A2BD32E; Thu, 6 Jan 2005 14:39:55 -0500 (EST) Received: by canoe.dclg.ca (Postfix, from userid 101) id A4522635C; Thu, 6 Jan 2005 14:39:50 -0500 (EST) From: David Gilbert MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16861.37894.594718.45777@canoe.dclg.ca> Date: Thu, 6 Jan 2005 14:39:50 -0500 To: Kris Kennaway In-Reply-To: <20050106192951.GA95658@xor.obsecurity.org> References: <20050106025042.GA26670@xor.obsecurity.org> <16861.24998.55471.171529@canoe.dclg.ca> <20050106192951.GA95658@xor.obsecurity.org> X-Mailer: VM 7.17 under 21.4 (patch 16) "Corporate Culture" XEmacs Lucid cc: alc@FreeBSD.org cc: current@FreeBSD.org cc: David Gilbert Subject: Re: Deadlock with 32GB swap-backed md X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Thu, 06 Jan 2005 19:39:55 -0000 >>>>> "Kris" == Kris Kennaway writes: [ on i386 mfs ] >> Not that I've looked at this, but isn't MFS constrained by 32 bit >> pointers in i386? Kris> Yes, but apparently they're used for block-level indexing and Kris> not just byte-level. regardless, unlike disks, there is no sector pointers in memory --- the memory allocator is still fundamentally limited. Dave. -- ============================================================================ |David Gilbert, Independent Contractor. | Two things can only be | |Mail: dave@daveg.ca | equal if and only if they | |http://daveg.ca | are precisely opposite. | =========================================================GLO================