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    SubjectRe: [PATCH 1/5] freepgt: free_pgtables use vma list
    On Tue, 22 Mar 2005 11:01:44 -0800
    "David S. Miller" <davem@davemloft.net> wrote:

    > Hmmm...

    Thinking some more, one thing that is unique in the PPC64
    and SPARC64 cases is that we are executing primarily
    32-bit tasks and in such cases one PGD maps the entire
    address space.

    I wonder if the free_pgtables() loops simply aren't
    coping well with something like that.

    I'm trying to analyze my traces some more.

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