Messages in this thread |  | | From | "David S. Miller" <> | Date | Mon, 21 May 2001 04:04:28 -0700 (PDT) | Subject | Re: alpha iommu fixes |
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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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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