Subject: Re: NetBSD 1.6.1 not finding all memory
To: D'Arcy J.M. Cain <darcy@NetBSD.org>
From: Alexander Yurchenko <grange@rt.mipt.ru>
List: tech-kern
Date: 12/23/2003 12:03:20
On Tue, Dec 23, 2003 at 04:00:07AM -0500, D'Arcy J.M. Cain wrote:
> On December 20, 2003 01:27 pm, Matt Thomas wrote:
> > At 10:05 AM 12/20/2003, Christos Zoulas wrote:
> > >On Dec 20, 11:33am, grange@rt.mipt.ru (Alexander Yurchenko) wrote:
> > >-- Subject: Re: NetBSD 1.6.1 not finding all memory
> > >
> > >| How is mapping kernel image on 4Mb pages related to the PSE36?
> > >
> > >what is PSE36?
> >
> > A page table extension to support 36-bit physical addressing.
>
> Looks like I need this then. Adding the include file doesn't change anything.
> I still max out at 2^32 bytes of memory. I guess that's the hard limit for
> NetBSD i386 for now.
>
> Note, freeBSD and RedHat appear to have the same limitation.
Huh? Linux kernel compiled with HIGHMEM support can address all the 64Gb
address space.
>
> --
> D'Arcy J.M. Cain <darcy@netbsd.org>
> http://www.NetBSD.org/
--
Alexander Yurchenko (aka grange)