va_to_dir
_kvm_pa2off(kd, (paddr_t)&pdir[va_to_dir(va)]))
(u_long)va_to_dir(addr), (u_long)va_to_pte(addr),
(int)va_to_seg(va), (int)va_to_dir(va),
[va_to_dir(va)],
(long)va_to_dir(va), (long)npa);
(long)va_to_dir(va),