perm               14 kernel/exec.c      int perm = 0;
perm               16 kernel/exec.c        perm = PTE_X;
perm               18 kernel/exec.c        perm |= PTE_W;
perm               19 kernel/exec.c      return perm;
perm              132 kernel/vm.c    kvmmap(pagetable_t kpgtbl, uint64 va, uint64 pa, uint64 sz, int perm)
perm              134 kernel/vm.c      if(mappages(kpgtbl, va, sz, pa, perm) != 0)
perm              144 kernel/vm.c    mappages(pagetable_t pagetable, uint64 va, uint64 size, uint64 pa, int perm)
perm              165 kernel/vm.c        *pte = PA2PTE(pa) | perm | PTE_V;