expire_upcalls
callout_reset(&expire_upcalls_ch, EXPIRE_TIMEOUT, expire_upcalls, NULL);
static void expire_upcalls(void *);
callout_reset(&expire_upcalls_ch, EXPIRE_TIMEOUT, expire_upcalls, NULL);
expire_upcalls, NULL);
static void expire_upcalls (void *);
expire_upcalls, NULL);