ptrs_per_pte
for (pte = page; pte < page + ptrs_per_pte(vm) * 8; pte += 8) {
for (pte = page; pte < page + ptrs_per_pte(vm) * 8; pte += 8) {
int i, ptrs_per_pte;
ptrs_per_pte = 1 << (vm->page_shift - 3);
for (i = 0; i < ptrs_per_pte; i++)
for (pte = page; pte < page + ptrs_per_pte(vm) * 8; pte += 8) {
for (pgd = mmu->pgd; pgd < mmu->pgd + ptrs_per_pte(vm) * 8; pgd += 8) {
size_t nr_pages = vm_page_align(vm, ptrs_per_pte(vm) * 8) / vm->page_size;