Date: Tue, 8 Jun 2004 00:15:11 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Odhiambo Washington <wash@wananchi.com>, freebsd-questions@freebsd.org Subject: Re: virtual memory allocation Message-ID: <20040608071511.GA82021@xor.obsecurity.org> In-Reply-To: <20040608053424.GB28733@ns2.wananchi.com> References: <20040608053424.GB28733@ns2.wananchi.com>
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--sdtB3X0nJg68CQEu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Jun 08, 2004 at 08:34:24AM +0300, Odhiambo Washington wrote: > My colleague is trying to find the maximum amount of virtual > memory that FreeBSD is able to allocate to a program. > He's trying 4*1020*1024*1024 for kern.maxdsiz and FreeBSD > fries up. On i386 the CPU can only address 4GB of memory, including memory allocated to the kernel, so you can't go this high (except maybe if you use PAE, but you still can't go above 4GB). I think about 2GB is the limit on i386 without special tuning. Kris --sdtB3X0nJg68CQEu Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAxWd/Wry0BWjoQKURAooIAJ4+SVEdwvW/R5qntH3okTv6RilDxwCglXCv S0aW9FcWSR8zdincE/fSXoE= =iihP -----END PGP SIGNATURE----- --sdtB3X0nJg68CQEu--
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