uffd_threads 587 tools/testing/selftests/vm/userfaultfd.c pthread_t uffd_threads[nr_cpus]; uffd_threads 597 tools/testing/selftests/vm/userfaultfd.c if (pthread_create(&uffd_threads[cpu], &attr, uffd_threads 601 tools/testing/selftests/vm/userfaultfd.c if (pthread_create(&uffd_threads[cpu], &attr, uffd_threads 640 tools/testing/selftests/vm/userfaultfd.c if (pthread_join(uffd_threads[cpu], &_userfaults[cpu])) uffd_threads 643 tools/testing/selftests/vm/userfaultfd.c if (pthread_cancel(uffd_threads[cpu])) uffd_threads 645 tools/testing/selftests/vm/userfaultfd.c if (pthread_join(uffd_threads[cpu], NULL))