On Tue, Nov 27, 2007 at 11:03:16PM -0600, Jon Tollefson wrote:
> This patch adds reliability to the 64K huge page option by making use of
> the PMD for 64K huge pages when base pages are 4k. So instead of a 12
> bit pte it would be 7 bit pmd and a 5 bit pte. The pgd and pud offsets
> would continue as 9 bits and 7 bits respectively. This will allow the
> pgtable to fit in one base page. This patch would have to be applied
> after part 1.
Hrm.. shouldn't we just ban 64K hugepages on a 64K base page size
setup? There's not a whole lot of point to it, after all...
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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