Messages in this thread | | | From | "Khimenko Victor" <> | Date | Sat, 15 Jan 2000 11:17:14 +0300 (MSK) | Subject | Re: Linux 2.3.39 has 32bit uid. What about 32bit pid? |
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In <E128rz4-0008Ct-00@the-village.bc.nu> Alan Cox (alan@lxorguk.ukuu.org.uk) wrote: >> Thus, if we change get_pid() so as to use pids larger than 32000 >> we need CONFIG_15BIT_PID (default=n) so that people who cannot or >> do not want to recompile their ipc using stuff can use a new kernel.
> /proc/sys/kern/max_pid ?
Perhaps.
>> (Only very few programs are affected. Making new rpms available >> for people upgrading to 2.4 would suffice.)
> Then I think it is worth while, shared cluster folks have been asking about > stuff like node <<8 | pid for a while, and 16bit pid_t is going to be too > small the way big PC kit is going
That's where 64bit pid_t with only 32bit really used will be ideal :-) On 32bit platforms 64bit pid_t is to expensive, though...
>> Aha, so that was obstacle 1. Obstacle 2 is the inode numbering the kernel >> uses internally for /proc. That would have to change.
> True
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