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    SubjectRe: [patch] futex requeueing feature, futex-requeue-2.5.69-D3
    On Thu, May 22, 2003 at 01:34:42PM +0200, Ingo Molnar wrote:
    > there's a patch in the works to change futex hashing to not require page
    > pinning, without making futexes process-local. This should also fix the
    > FUTEX_FD problems.
    > basically the idea is that struct page remains to be a good hash whenever
    > the page is present, and the swapout pte value is a good hash key when the
    > page is swapped out. So we basically can make futexes swappable.
    > this gets rid of pinned pages and pagetable locking, without the need for
    > API-level changes.

    Someone's already doing it? I'll back off if so.

    -- wli
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