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SubjectRe: [PATCH]Fix broken VMI in 2.6.27-rc..
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On Thu, 2008-08-07 at 18:19 -0700, H. Peter Anvin wrote:
> Zachary Amsden wrote:
> >
> > Using my interplanetary ideas, linking the fixmap at runtime would allow
> > optimal placement of the fixmap, any hypervisor areas, vmalloc, and
> > pkmap space. That might allow one to increase the amount of lowmem
> > available for direct mapping depending on some platform variables such
> > as hypervisor reserved space, physical memory size, APIC present.. those
> > aren't known until boot time. Actually, NCPUs is a good one, since we
> > require atomic kmap space dependent on NCPUs, which could be given back
> > to linear memory map.
> >
> > That might actually be more worthwhile than link time fixed addresses.
> >
>
> Yeah, but that's a huge project.

But it's awesome.



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