UFFDIO_COPY      1884 fs/userfaultfd.c 	case UFFDIO_COPY:
UFFDIO_COPY       401 tools/testing/selftests/vm/userfaultfd.c 	if (ioctl(ufd, UFFDIO_COPY, uffdio_copy)) {
UFFDIO_COPY       424 tools/testing/selftests/vm/userfaultfd.c 	if (ioctl(ufd, UFFDIO_COPY, &uffdio_copy)) {