From owner-freebsd-stable@FreeBSD.ORG Tue Aug 5 16:47:08 2008 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D98C41065672 for ; Tue, 5 Aug 2008 16:47:08 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from bunrab.catwhisker.org (adsl-63-193-123-122.dsl.snfc21.pacbell.net [63.193.123.122]) by mx1.freebsd.org (Postfix) with ESMTP id A4ED28FC08 for ; Tue, 5 Aug 2008 16:47:08 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from bunrab.catwhisker.org (localhost [127.0.0.1]) by bunrab.catwhisker.org (8.13.3/8.13.3) with ESMTP id m75GOPTJ031595 for ; Tue, 5 Aug 2008 09:24:25 -0700 (PDT) (envelope-from david@bunrab.catwhisker.org) Received: (from david@localhost) by bunrab.catwhisker.org (8.13.3/8.13.1/Submit) id m75GOPA4031594; Tue, 5 Aug 2008 09:24:25 -0700 (PDT) (envelope-from david) Date: Tue, 5 Aug 2008 09:24:25 -0700 From: David Wolfskill To: Lin Jui-Nan Eric Message-ID: <20080805162425.GO44815@bunrab.catwhisker.org> Mail-Followup-To: David Wolfskill , Lin Jui-Nan Eric , stable@freebsd.org References: <47713ee10808050839k5b258831x66bc52f70b2c355b@mail.gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="pKvQgaf82iZAytyH" Content-Disposition: inline In-Reply-To: <47713ee10808050839k5b258831x66bc52f70b2c355b@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Cc: stable@freebsd.org Subject: Re: Max size of one swap slice X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Aug 2008 16:47:08 -0000 --pKvQgaf82iZAytyH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 05, 2008 at 11:39:11PM +0800, Lin Jui-Nan Eric wrote: > ... > Recently we found that we can only allocate 32GB for one swap slice. Yes. > Does there is any sysctl oid or any kernel option to increase it? Why > we have this restriction? I don't know why, though I suspect it may have something to do with the way storage in the swap space is allocated & addressed. You may, however, have more than 1 swap space. (Per man pages for swapon(8) and swapoff(8), the default maximum is 4.) Peace, david --=20 David H. Wolfskill david@catwhisker.org I submit that "conspiracy" would be an appropriate collective noun for cats. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --pKvQgaf82iZAytyH Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iEYEARECAAYFAkiYfrgACgkQmprOCmdXAD1oaQCdG0hyMqiFvtJv1UCG61xKhe57 OR0Anjim/ru3F1DvMlzVdZCCQwtbVfN8 =kpln -----END PGP SIGNATURE----- --pKvQgaf82iZAytyH--