Messages in this thread | | | Date | Wed, 18 Sep 2002 10:46:35 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [patch] lockless, scalable get_pid(), for_each_process() elimination, 2.5.35-BK |
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On Wed, 18 Sep 2002, William Lee Irwin III wrote: > > There were only 10K tasks, with likely consecutively-allocated PID's, > and some minor background fork()/exit() activity, but there are more > offenders on the read side than get_pid() itself. > > There is no question of PID space: the full 2^30 was configured in > the tests done after the PID space expansion.
I bet the lockup was something else. There have been other bugs recently with the task state changes, and the lockup may just have been a regular plain lockup. Thread exit has been kind of fragile lately, although it looks better now.
Linus
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