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    SubjectRe: larger default page sizes...
    On Tue, Mar 25, 2008 at 5:41 PM, Peter Chubb <peterc@gelato.unsw.edu.au> wrote:
    > The main issue is that, at least on Itanium, you have to turn off the hardware
    > page table walker for hugepages if you want to mix superpages and
    > standard pages in the same region. (The long format VHPT isn't the
    > panacea we'd like it to be because the hash function it uses depends
    > on the page size).

    Why not just repeat the PTEs for super-pages? That won't work for
    huge pages, but for superpages that are a reasonable multiple (e.g.,
    16-times) the base-page size, it should work nicely.

    --david
    --
    Mosberger Consulting LLC, http://www.mosberger-consulting.com/


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