mappages          140 vm.c               if(mappages(pgdir, k->virt, k->phys_end - k->phys_start, 
mappages          190 vm.c             mappages(pgdir, 0, PGSIZE, v2p(mem), PTE_W|PTE_U);
mappages          240 vm.c               mappages(pgdir, (char*)a, PGSIZE, v2p(mem), PTE_W|PTE_U);
mappages          329 vm.c               if(mappages(d, (void*)i, PGSIZE, v2p(mem), flags) < 0)