Re: [PATCH] Linux-2.5 fix/improve get_pid()

[Alan Cox]

On Fri, 2002-08-09 at 09:48, Helge Hafting wrote:
> Use 32-bit PID's, but with an additional rule for wraparound.
> Simply wrap the PID when 
> (nextPID > 2*number_of_processes && nextPID > 30000)
> The latter one just to avoid wrapping at 10 when there are 
> 5 processes.  

Its much simpler to put max_pid into /proc/sys/kernel. That way we can
boot with 32000 process ids, which will ensure ancient stuff which has
16bit pid_t (old old libc) and also any old kernel interfaces which
expose it - does ipc ?