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    SubjectRe: [PATCH] A new entry for /proc
    Mauricio Lin <> wrote:
    > You said that the old smaps version is not efficient because the way
    > it access each pte.

    Nick is talking about changing the kenrel so that it "refcounts pagetable
    pages". I'm not sure why.

    I assume that this means that each pte page's refcount will be incremented
    by one for each instantiated pte. If so, then /proc/pid/smaps can become a
    lot more efficient. Just add up the page refcounts on all the pte pages -
    no need to walk the ptes themselves.

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      Last update: 2005-03-22 14:10    [W:0.043 / U:39.148 seconds]
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