Constant userfaultfd_sys::UFFD_API_IOCTLS

pub const UFFD_API_IOCTLS: u64 = 1 << _UFFDIO_REGISTER | 1 << _UFFDIO_UNREGISTER | 1 << _UFFDIO_API; // 9_223_372_036_854_775_811u64