5.1beta2 on Alpha ES40 w/ 32GB pys ram

[Bernd Walter]

On Wed, Jun 18, 2003 at 02:33:16PM +0200, Bernd Walter wrote:
> On Tue, Jun 17, 2003 at 10:49:40PM -0400, Andrew Gallatin wrote:
> > Bernd Walter writes:
> >  > Maybe with a tuneable size as a 4G map takes 4M map - checked for 21172.
> > 
> > I'm not sure what you're saying.  Are you saying that a sparse map can
> > still be effective and we should share with the ISA map if we need to?
> > If so, I agree...
> 
> More or less.
> Are sparse maps possible?
> I asume there is no use for a 4G map on a system with only 1G memory
> plugged in.
> Beside fragmentation loss there is no need to have a bigger window.
> The 21172 supports 8G memory and max 4G sized windows so we are
> already limited.

I'm feeling stupid.
Of course that window can't be bigger than we have addressable space
on PCI.
I guess we are limited to something like 512M to 1G?

-- 
B.Walter                   BWCT                http://www.bwct.de
ticso at bwct.de                                  info at bwct.de