Re: sparsemem & sparsemem extreme question

Dave Hansen
2005-10-05T17:20:16Z

On Wed, 2005-10-05 at 19:12 +0200, Heiko Carstens wrote:
> > > 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?
>
> s390 does not support discontigmem at all. And unfortunately the
> documentation is not publicly available yet, sorry.
> Anything specific you need to know about the memory layout?

How sparse is it? How few present pages can be there be in a worst-case
physical area?

-- Dave