Small idiosyncrasy I spotted in the recent parallelization of pageout..
Current behavior, dom0 shows as 'pagedaemon/pagedaemon':
kev-ws-aurora% ps auxw -H | grep page
root 65 0.0 0.0 0 80 - DL Sat21 2:06.84 [pagedaemon/pagedaem]
root 65 0.0 0.0 0 80 - DL Sat21 0:00.11 [pagedaemon/laundry:]
root 65 0.0 0.0 0 80 - DL Sat21 1:27.95 [pagedaemon/dom1]
root 65 0.0 0.0 0 80 - DL Sat21 0:00.13 [pagedaemon/laundry:]
root 65 0.0 0.0 0 80 - DL Sat21 0:00.77 [pagedaemon/uma]
kev-ws-aurora% procstat threads 65
PID TID COMM TDNAME CPU PRI STATE WCHAN
65 100491 pagedaemon - -1 84 sleep psleep
65 100496 pagedaemon laundry: dom0 -1 84 sleep launds
65 100501 pagedaemon dom1 -1 84 sleep psleep
65 100503 pagedaemon laundry: dom1 -1 84 sleep launds
65 100505 pagedaemon uma -1 84 sleep umarcl