kn_id
kev->ident == kn->kn_id &&
KASSERT(kq->kq_knlistsize > kn->kn_id);
list = &kq->kq_knlist[kn->kn_id];
list = &kq->kq_knhash[KN_HASH(kn->kn_id, kq->kq_knhashmask)];
list = &kq->kq_knlist[kn->kn_id];
list = &kq->kq_knhash[KN_HASH(kn->kn_id, kq->kq_knhashmask)];
if (kn->kn_id > PID_MAX)
pr = prfind(kn->kn_id);
kev.data = kn->kn_id; /* parent */
if (kn->kn_id >= NSIG)
if (kn->kn_id == hint)