KPD_HASAMP
flags |= KPD_HASAMP;
ASSERT(((flags & KPD_HASAMP) == 0) == (amp == NULL));
ASSERT((kpd->kp_flags & KPD_HASAMP) == 0 || kpd->kp_cookie == -1);
if ((kpd->kp_flags & KPD_HASAMP) == 0) {