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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.


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