Re: alpha iommu fixes

[David S. Miller]

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
[e-mail]