pmap_find_ptp
ptp = pmap_find_ptp(pmap, va, (paddr_t)-1, level + 1);
pptp = pmap_find_ptp(pmap, va, ppa, i);
ptp = pmap_find_ptp(pmap, va, ppa, 1);
ptp = pmap_find_ptp(pmap, sva, ptppa, 1);
ptp = pmap_find_ptp(pmap, va, ptppa, 1);
struct vm_page *pmap_find_ptp(struct pmap *, vaddr_t, paddr_t, int);