1 X86_VM_MASK
   2 VM_GROWSUP
   3 VM_SOFTDIRTY
   4 UBIFS_BLOCKS_PER_PAGE
   5 DYNTICK_TASK_NEST_MASK
   6 ARCH_SHF_SMALL
   7 SLAB_NOTRACK
   8 FAULT_FLAG_TRANSHUGE
   9 _PAGE_NX
  10 MAP_UNINITIALIZED