anon_grow
tp->tn_asize = anon_grow(tp->tn_anon, NULL, tp->tn_asize,
extern pgcnt_t anon_grow(struct anon_hdr *, ulong_t *, pgcnt_t, pgcnt_t, int);
newpgs = anon_grow(amp1->ahp, &svd1->anon_index,
newpgs = anon_grow(amp2->ahp, &svd2->anon_index,