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SubjectRe: [patch] lockless, scalable get_pid(), for_each_process() elimination, 2.5.35-BK
On Wed, 18 Sep 2002, Linus Torvalds wrote:

> Give me one reason for why these two added lines aren't better than all
> the complexity we've discussed?

On second thought ... yes there's a reason. Suppose you have
100000 threads on your box already, how long is it going to
take to walk them all to figure out the pid distribution ?

And are you willing to walk 100000 threads for every 16 pids allocated ?

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