Symbol: SI_SUB_KTHREAD_UPDATE
sys/kern/vfs_subr.c
1890
SYSINIT(vnlru, SI_SUB_KTHREAD_UPDATE, SI_ORDER_FIRST, kproc_start,
sys/kern/vfs_subr.c
2959
SYSINIT(syncer, SI_SUB_KTHREAD_UPDATE, SI_ORDER_FIRST, kproc_start, &up_kp);