Lines Matching refs:uffd
379 int uffd; in test_unmerge_uffd_wp() local
388 uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK); in test_unmerge_uffd_wp()
389 if (uffd < 0) { in test_unmerge_uffd_wp()
397 if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) { in test_unmerge_uffd_wp()
415 close(uffd); in test_unmerge_uffd_wp()
416 uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK); in test_unmerge_uffd_wp()
417 if (uffd < 0) { in test_unmerge_uffd_wp()
425 if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) { in test_unmerge_uffd_wp()
431 if (uffd_register(uffd, map, size, false, true, false)) { in test_unmerge_uffd_wp()
440 if (ioctl(uffd, UFFDIO_WRITEPROTECT, &uffd_writeprotect)) { in test_unmerge_uffd_wp()
453 close(uffd); in test_unmerge_uffd_wp()