Re: sparsemem & sparsemem extreme question

Dave Hansen
2005-10-05T16:17:51Z

On Wed, 2005-10-05 at 18:10 +0200, Heiko Carstens wrote:
> > > No, my concern is actually that the s390 archticture actually will come up
> > > with some sort of memory that's present in the physical address space where
> > > the most significant bit of the addresses will be turned _on_.
> >
> > Why do you think this?
>
> That's a matter of fact and what the Specs say...

I'd appreciate any pointer to the relevant information, especially the
stuff that explains just how sparse a physical address space can be on
that architecture. What would discontigmem have done with the same
layout? Does s390 even support discontigmem?

-- Dave