-Cygnus
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Anthony J. Biacco Network Administrator/Engineer
admin@intergrafix.net Intergrafix Internet Services
"Dream as if you'll live forever, live as if you'll die today"
http://cygnus.ncohafmuta.com http://www.intergrafix.net
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On Thu, 22 Apr 1999, Stephen C. Tweedie wrote:
> Hi,
>
> On Wed, 21 Apr 1999 08:47:12 -0400 (EDT), System Administrator
> <admin@intergrafix.net> said:
>
> > [admin@cygnus admin]$ ./fork
> > ...
> > Forks = 37
>
> > [admin@cygnus admin]$ ps aux | wc -l
> > 472
>
> 472 + 37 == 509. Except the "ps aux | wc" counts as two processes, the
> ./fork is only one, so you only had 508 during the first test.
> MIN_TASKS_LEFT_FOR_ROOT defaults to 4, and the NR_TASKS upper limit
> defaults to 512.
>
> 508 + 4 = 512.
> tasks_I_had_running + tasks_left_for_root = max_nr_tasks.
>
> Everything adds up: this is expected behaviour if you don't increase
> NR_TASKS. You can increase NR_TASKS in include/linux/tasks.h (but not
> too much: I think you hit LDT limits above about 4090, though Ingo has a
> patch to remove that limit).
>
> --Stephen
>
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