Date: Wed, 09 Oct 2002 16:59:45 -0700 From: Wes Peters <wes@softweyr.com> To: Terry Lambert <tlambert2@mindspring.com> Cc: Nate Lawson <nate@root.org>, "Vladimir B. Grebenschikov" <vova@sw.ru>, arch@FreeBSD.org Subject: Re: using mem above 4Gb was: swapon some regular file Message-ID: <3DA4C2F1.74450081@softweyr.com> References: <Pine.BSF.4.21.0210081209010.11243-100000@root.org> <3DA35D58.B1B5D78D@mindspring.com>
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Terry Lambert wrote:
>
> PSE-36 and PAE give you access to a 36 bit address space. But you
> are still limited to a 32 bit *linear* address space.
>
> More RAM in a 32 bit machine, even if you can wave the appropriate
> entrails over the keyboard so that it's accessible to the OS, will
> *NOT* increase the linear address space.
>
> IMO, if you want a larger linear address space, instead of pretending
> you have one, buy yourself an IA64 instead.
Or an Alpha, or a SPARC64, or a MIPS64, etc. But they all seem to cost
more than a PIII solution, except perhaps a Netra and you can't cram enough
RAM in that to make a difference.
--
"Where am I, and what am I doing in this handbasket?"
Wes Peters Softweyr LLC
wes@softweyr.com http://softweyr.com/
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