447 	struct uffdio_register uffd_reg;  in uffd_poll_thread()
853 	struct uffdio_register uffdio_register;  in userfaultfd_zeropage_test()  local
864 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_zeropage_test()
865 	uffdio_register.range.len = nr_pages * page_size;  in userfaultfd_zeropage_test()
866 	uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;  in userfaultfd_zeropage_test()
867 	if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))  in userfaultfd_zeropage_test()
871 	if ((uffdio_register.ioctls & expected_ioctls) !=  in userfaultfd_zeropage_test()
889 	struct uffdio_register uffdio_register;  in userfaultfd_events_test()  local
909 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_events_test()
910 	uffdio_register.range.len = nr_pages * page_size;  in userfaultfd_events_test()
911 	uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;  in userfaultfd_events_test()
912 	if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))  in userfaultfd_events_test()
916 	if ((uffdio_register.ioctls & expected_ioctls) !=  in userfaultfd_events_test()
949 	struct uffdio_register uffdio_register;  in userfaultfd_sig_test()  local
968 	uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_sig_test()
969 	uffdio_register.range.len = nr_pages * page_size;  in userfaultfd_sig_test()
970 	uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;  in userfaultfd_sig_test()
971 	if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))  in userfaultfd_sig_test()
975 	if ((uffdio_register.ioctls & expected_ioctls) !=  in userfaultfd_sig_test()
1018 	struct uffdio_register uffdio_register;  in userfaultfd_stress()  local
1099 		uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_stress()
1100 		uffdio_register.range.len = nr_pages * page_size;  in userfaultfd_stress()
1101 		uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;  in userfaultfd_stress()
1102 		if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {  in userfaultfd_stress()
1107 		if ((uffdio_register.ioctls & expected_ioctls) !=  in userfaultfd_stress()
1115 			uffdio_register.range.start = (unsigned long)  in userfaultfd_stress()
1117 			if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {  in userfaultfd_stress()
1155 		if (ioctl(uffd, UFFDIO_UNREGISTER, &uffdio_register.range)) {  in userfaultfd_stress()
1160 			uffdio_register.range.start = (unsigned long) area_dst;  in userfaultfd_stress()
1162 				  &uffdio_register.range)) {  in userfaultfd_stress()