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

From: Linus Torvalds (torvalds@transmeta.com)
Date: Wed Sep 18 2002 - 13:33:44 EST

On Wed, 18 Sep 2002, Ingo Molnar wrote:
>
> Eliminating for_each_task loops (the ones completely unrelated to
> the get_pid() issue) is an improvement even for desktop setups, which have
> at most 1000 processes running.

If you really really want to do this, then at least get it integrated
better (ie it should _replace_ pidhash since it appears to just duplicate
the functionality), and get the locking right. Maybe that will make it
look better.

                Linus

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