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    SubjectRe: [RFC] O(1) proc_pid_readdir

    On Sun, 16 Mar 2003, Manfred Spraul wrote:

    > Below is a proposal to get rid of the quadratic behaviour of
    > proc_pid_readir(): Instead of storing the task number in f_pos and
    > walking tasks by tasklist order, the pid is stored in f_pos and the
    > tasks are walked by (hash-mangled) pid order.

    have you seen my "procfs/procps threading performance speedup" patch? It
    does something like this.

    Ingo

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