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

    On Wed, 18 Sep 2002, Ingo Molnar wrote:
    > why? For most desktop systems even 32K PIDs is probably too high. A large
    > pid_max only increases the RAM footprint. (well not under the current
    > allocation scheme but still.)

    Yeah. It increases memory pressure for the _complex_ and _slow_
    algorithms. Agreed.

    See my two-liner suggestion (which is admittedly not even compiled, so the
    one disadvantage it might have is that it might need to be debugged. But
    it's only two lines and doesn't actually change any fundamental part of
    any existing algorithms, so debugging shouldn't be a big problem.


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