mappages          130 vm.c               if(mappages(pgdir, k->virt, k->phys_end - k->phys_start,
mappages          191 vm.c             mappages(pgdir, 0, PGSIZE, V2P(mem), PTE_W|PTE_U);
mappages          241 vm.c               if(mappages(pgdir, (char*)a, PGSIZE, V2P(mem), PTE_W|PTE_U) < 0){
mappages          335 vm.c               if(mappages(d, (void*)i, PGSIZE, V2P(mem), flags) < 0) {