Process Status Callback to Module

[Chris]

I need a spot of help and I'm hoping someone can set me straight.  I'm
working on a module that keeps state about a small number of
processes.  Each time one of those processes exit, the module should
purge the corresponding state and I'm struggling to find a nice way to
do that.  Is there an existing callback mechanism to kick the module
with notification upon a process exit?  I've briefly read about the
connector project, but AFAIK that's geared to notify userspace rather
than a kernel module.  Any pointers would be greatly appreciated.

If replying, kindly CC my address directly b/c I'm not subscribed to the list.

Cheers,
Chris
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