Cache nproc more aggressively.  Exim didn't actually force it until it was deep in a child process, so it wasn't getting reused.
Cache nproc more aggressively.  Exim didn't actually force it until it was deep in a child process, so it wasn't getting reused.

KMU-embedded/mosbench-ext,KMU-embedded/mosbench-ext,KMU-embedded/mosbench-ext,KMU-embedded/mosbench-ext,KMU-embedded/mosbench-ext,KMU-embedded/mosbench-ext,KMU-embedded/mosbench-ext