_UFFDIO_UNREGISTER   32 include/uapi/linux/userfaultfd.h 	 (__u64)1 << _UFFDIO_UNREGISTER |	\
_UFFDIO_UNREGISTER   63 include/uapi/linux/userfaultfd.h #define UFFDIO_UNREGISTER	_IOR(UFFDIO, _UFFDIO_UNREGISTER,	\