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SubjectRe: alpha iommu fixes

Andrea Arcangeli writes:
> On Mon, May 21, 2001 at 03:19:54AM -0700, David S. Miller wrote:
> > max bytes per bttv: max_gbuffers * max_gbufsize
> > 64 * 0x208000 == 133.12MB
> >
> > 133.12MB * 8 PCI slots == ~1.06 GB
> >
> > Which is still only half of the total IOMMU space available per
> > controller.
>
> and it is the double of the iommu space that I am going to reserve for
> pci dynamic mappings on the tsunami (right now it is 128Mbyte... and I'll
> change to 512mbyte)

How many physical PCI slots on a Tsunami system? (I know the
answer, this question is rhetorical :-)

See? This is why I think all these examples are silly, and we
need to be realistic about this whole situation.

Later,
David S. Miller
davem@redhat.com
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