[lkml]   [2008]   [Mar]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: larger default page sizes...
    On Tue, Mar 25, 2008 at 5:41 PM, Peter Chubb <> 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.

    Mosberger Consulting LLC,

     \ /
      Last update: 2008-03-26 01:37    [W:0.020 / U:0.772 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site