Subject: Re: savecore_flags="-z"
To: Jason Thorpe <>
From: Jonathan Stone <jonathan@DSG.Stanford.EDU>
List: tech-kern
Date: 12/02/1999 15:44:22
In message <>,
Jason Thorpe writes:

>The i386 port does not assume it can map all of physical memory at once.

So if i had a Xeon motherboard with >4 gigs of memory, or even >2gigs,
what'd be needed to get NetBSD to use it all?  I know some Lisp users
who're currrently using L**** who'd really like that.

> > Does NetBSD already support phyical memory > max process virtual
> > address space on non-x86 hardware, like the Sun hardware Eduardo
> > mentioned, where the kernel can't map all of physical memory (or was
> > that a Solaris kernel?)
>Dunno.  Though, I would assume that e.g. the SPARC pmap can cope with
>it, considering that it already has to use > 32-bit physical space just
>to access e.g. Sbus and on-board devices...

Yep. May not be quite the same thing as simultaneously mapping more
than 2^32 of physical memory, though.