page_migrate
void page_migrate(struct seg *, caddr_t, page_t **, pgcnt_t);
page_migrate(seg, shm_addr, ppa, npages);
page_migrate(seg, shm_addr, ppa, npages);
page_migrate(seg, addr, &pp, 1);
page_migrate(seg, addr, &opp, 1);
page_migrate(seg, addr, &pp, 1);
page_migrate(seg, a, ppa, pages);
page_migrate(seg, a, ppa, pages);