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    SubjectRe: [RFC] Page table sharing
    On February 19, 2002 04:22 am, Linus Torvalds wrote:
    > That still leaves the TLB invalidation issue, but we could handle that
    > with an alternate approach: use the same "free_pte_ctx" kind of gathering
    > that the zap_page_range() code uses for similar reasons (ie gather up the
    > pte entries that you're going to free first, and then do a global
    > invalidate later).

    I think I'll fall back to unsharing the page table on swapout as Hugh
    suggested, until we sort this out.

    It's not that bad.

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