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SubjectRe: MAX_PID changes in 2.5.31
On Thu, Aug 22, 2002 at 11:27:46PM +0100, Alan Cox wrote:
> On the kernel side I found a ushort pid in coda, but I can't actually
> easily tell if thats a process id or a coda thingy. We have some other
> sloppy pid users but they all appear to be int (eg vt_kern.h)

It's both a process id and a Coda thingy :) It should have been pid_t,
but if you change it in the kernel it will break precompiled binaries in
userspace which still assume it is a 16-bit value. It is not used too
often, only when a process is forked off for conflict resolution.

Luckily, I'm getting close to finalizing a new version of Coda's
userspace which has support for realms (or cells, or whatever other
distributed filesystems like to name it) that already has to break
the kernel-venus interface. So I'll add this to my list of incompatible
changes that can go into the patch.


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