old                91 kernel/spinlock.c   int old = intr_get();
old                95 kernel/spinlock.c     mycpu()->intena = old;
old               126 kernel/sysfile.c   char name[DIRSIZ], new[MAXPATH], old[MAXPATH];
old               129 kernel/sysfile.c   if(argstr(0, old, MAXPATH) < 0 || argstr(1, new, MAXPATH) < 0)
old               133 kernel/sysfile.c   if((ip = namei(old)) == 0){
old               313 kernel/vm.c    uvmcopy(pagetable_t old, pagetable_t new, uint64 sz)
old               321 kernel/vm.c        if((pte = walk(old, i, 0)) == 0)