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    SubjectRe: [patch] lockless, scalable get_pid(), for_each_process() elimination, 2.5.35-BK

    On Sun, 22 Sep 2002, Andrea Arcangeli wrote:

    > Nevertheless the current get_pid is very bad when the tasklist grows and
    > the pid space is reduced, [...]

    > It may not be the best for a 1million pid case, but certainly it is a
    > must have for 2.4 and I think it could be ok for 2.5 too. It is been
    > submitted for 2.5 a number of times, I quote below the 2.4 version just
    > so you know what I'm talking about exactly [...]

    Andrea, the new PID allocator (and new pidhash) went into 2.5.37, there's
    no get_pid() anymore. Do we agree that the runtime-bitmap hack^H^H^H^patch
    is now moot for 2.5?


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