Date: Sat, 18 Aug 2007 12:48:53 +0200 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: rick-freebsd@kiwi-computer.com Cc: freebsd-fs@freebsd.org, Gore Jarold <gore_jarold@yahoo.com> Subject: Re: vfs.ufs.dirhash_maxmem ... how high can I go ? Message-ID: <86d4xli0dm.fsf@ds4.des.no> In-Reply-To: <20070817225103.GA92437@keira.kiwi-computer.com> (Rick C. Petty's message of "Fri\, 17 Aug 2007 17\:51\:03 -0500") References: <723681.52797.qm@web63012.mail.re1.yahoo.com> <20070817020201.GA41414@keira.kiwi-computer.com> <867inuibu4.fsf@ds4.des.no> <20070817225103.GA92437@keira.kiwi-computer.com>
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"Rick C. Petty" <rick-freebsd@kiwi-computer.com> writes: > Dag-Erling Smørgrav <des@des.no> writes: > > "Rick C. Petty" <rick-freebsd@kiwi-computer.com> writes: > > > Gore Jarold <gore_jarold@yahoo.com> writes: > > > > I have 4 GB of physical and 4 GB of swap, running on normal 32-bit > > > > x86, and I have this set as well: > > > Which means (on an x86 system) that you have 3 GB of physical RAM. > > No, it means has 4 GB of physical RAM, of which 3.5 GB are addressable. > I've never seen FreeBSD address more than 3.0 GB of RAM without PAE.. it > always seems to reserve 1.0 GB for video & other mmap'd I/O. FreeBSD does not reserve anything "for video & other mmap'd I/O". 512 MB of the 4 GB address space are reserved for PCI, but that is a feature of the IA32 architecture, not of FreeBSD. DES -- Dag-Erling Smørgrav - des@des.no
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