Re: MAX_PID changes in 2.5.31

From: Richard Gooch (
Date: Mon Aug 19 2002 - 17:42:48 EST

Ingo Molnar writes:
> On Mon, 19 Aug 2002, Richard Gooch wrote:
> > > nope. Only if they use the 16-bit PID stuff in SysV IPC semaphores
> > > and message queues.
> >
> > In other words, "yes, unless you happen not to use SysV IPC semaphores
> > or message queues in any of your binaries on your system".
> no, in other words: "yes, if you use SysV IPC semaphores/semaphores
> in any of your binaries in your system, which binaries were linked
> against glibc 2.1 or older, and if you have set
> /proc/sys/kernel/pid_max to a value higher than 32K."

Ah, OK. So if I leave /proc/sys/kernel/pid_max alone, nothing will
break. Will the default ever change, or do you plan on leaving it as


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Fri Aug 23 2002 - 22:00:18 EST