walkpgdir          79 vm.c               if((pte = walkpgdir(pgdir, a, 1)) == 0)
walkpgdir         205 vm.c               if((pte = walkpgdir(pgdir, addr+i, 0)) == 0)
walkpgdir         260 vm.c               pte = walkpgdir(pgdir, (char*)a, 0);
walkpgdir         301 vm.c             pte = walkpgdir(pgdir, uva, 0);
walkpgdir         320 vm.c               if((pte = walkpgdir(pgdir, (void *) i, 0)) == 0)
walkpgdir         346 vm.c             pte = walkpgdir(pgdir, uva, 0);