From owner-freebsd-current@FreeBSD.ORG Thu Jan 6 19:42:00 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 BC54116A504; Thu, 6 Jan 2005 19:42:00 +0000 (GMT) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.199.47.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8F2A543D39; Thu, 6 Jan 2005 19:42:00 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 2F7CB519EB; Thu, 6 Jan 2005 11:42:39 -0800 (PST) Date: Thu, 6 Jan 2005 11:42:39 -0800 From: Kris Kennaway To: David Gilbert Message-ID: <20050106194239.GA96074@xor.obsecurity.org> References: <20050106025042.GA26670@xor.obsecurity.org> <16861.24998.55471.171529@canoe.dclg.ca> <20050106192951.GA95658@xor.obsecurity.org> <16861.37894.594718.45777@canoe.dclg.ca> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="rwEMma7ioTxnRzrJ" Content-Disposition: inline In-Reply-To: <16861.37894.594718.45777@canoe.dclg.ca> User-Agent: Mutt/1.4.2.1i cc: alc@FreeBSD.org cc: current@FreeBSD.org cc: Kris Kennaway 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 19:42:00 -0000 --rwEMma7ioTxnRzrJ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jan 06, 2005 at 02:39:50PM -0500, David Gilbert wrote: > >>>>> "Kris" =3D=3D Kris Kennaway writes: >=20 > [ on i386 mfs ] >=20 > >> Not that I've looked at this, but isn't MFS constrained by 32 bit > >> pointers in i386? >=20 > Kris> Yes, but apparently they're used for block-level indexing and > Kris> not just byte-level. >=20 > regardless, unlike disks, there is no sector pointers in memory --- > the memory allocator is still fundamentally limited. http://kerneltrap.org/node/323 Kris --rwEMma7ioTxnRzrJ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFB3ZSuWry0BWjoQKURApATAJ0UQyJUeC2nx6SevvZee7q6JRUj5QCgiudA 826+a58xno7CnX0b4G5/KkE= =ipNi -----END PGP SIGNATURE----- --rwEMma7ioTxnRzrJ--