84 		ksft_print_msg("Disabling (unmerging) KSM failed\n");  in __mmap_and_merge_range()
96 		ksft_print_msg("mmap() failed\n");  in __mmap_and_merge_range()
102 		ksft_print_msg("MADV_NOHUGEPAGE failed\n");  in __mmap_and_merge_range()
110 		ksft_print_msg("mprotect() failed\n");  in __mmap_and_merge_range()
123 			ksft_print_msg("PR_SET_MEMORY_MERGE=1 failed\n");  in __mmap_and_merge_range()
129 			ksft_print_msg("MADV_MERGEABLE failed\n");  in __mmap_and_merge_range()
139 		ksft_print_msg("Running KSM failed\n");  in __mmap_and_merge_range()
166 		ksft_test_result_fail("Merging memory failed");  in mmap_and_merge_range()
187 		ksft_test_result_fail("MADV_UNMERGEABLE failed\n");  in test_unmerge()
208 		ksft_test_result_skip("accessing \"/proc/self/ksm_stat\" failed\n");  in test_unmerge_zero_pages()
213 		ksft_test_result_skip("write \"/sys/kernel/mm/ksm/use_zero_pages\" failed\n");  in test_unmerge_zero_pages()
231 		ksft_test_result_fail("MADV_UNMERGEABLE failed\n");  in test_unmerge_zero_pages()
273 		ksft_test_result_fail("MADV_DONTNEED failed\n");  in test_unmerge_discarded()
278 		ksft_test_result_fail("MADV_UNMERGEABLE failed\n");  in test_unmerge_discarded()
307 		ksft_test_result_skip("__NR_userfaultfd failed\n");  in test_unmerge_uffd_wp()
318 			ksft_test_result_fail("UFFDIO_API failed: %s\n", strerror(errno));  in test_unmerge_uffd_wp()
335 		ksft_test_result_fail("__NR_userfaultfd failed\n");  in test_unmerge_uffd_wp()
343 		ksft_test_result_fail("UFFDIO_API failed: %s\n", strerror(errno));  in test_unmerge_uffd_wp()
349 		ksft_test_result_fail("UFFDIO_REGISTER_MODE_WP failed\n");  in test_unmerge_uffd_wp()
358 		ksft_test_result_fail("UFFDIO_WRITEPROTECT failed\n");  in test_unmerge_uffd_wp()
363 		ksft_test_result_fail("MADV_UNMERGEABLE failed\n");  in test_unmerge_uffd_wp()
389 		ksft_test_result_fail("PR_SET_MEMORY_MERGE=1 failed\n");  in test_prctl()
395 		ksft_test_result_fail("PR_GET_MEMORY_MERGE failed\n");  in test_prctl()
404 		ksft_test_result_fail("PR_SET_MEMORY_MERGE=0 failed\n");  in test_prctl()
410 		ksft_test_result_fail("PR_GET_MEMORY_MERGE failed\n");  in test_prctl()
446 		ksft_test_result_fail("Merge in child failed\n");  in test_child_ksm_err()
466 		ksft_test_result_fail("PR_SET_MEMORY_MERGE=1 failed\n");  in test_prctl_fork()
475 		ksft_test_result_fail("fork() failed\n");  in test_prctl_fork()
480 		ksft_test_result_fail("waitpid() failed\n");  in test_prctl_fork()
491 		ksft_test_result_fail("PR_SET_MEMORY_MERGE=0 failed\n");  in test_prctl_fork()
546 		ksft_test_result_fail("set ksmd's scanning frequency failed\n");  in test_prctl_fork_exec()
553 		ksft_test_result_fail("PR_SET_MEMORY_MERGE=1 failed\n");  in test_prctl_fork_exec()
559 		ksft_test_result_skip("fork() failed\n");  in test_prctl_fork_exec()
581 		ksft_test_result_fail("waitpid() failed\n");  in test_prctl_fork_exec()
586 		ksft_test_result_fail("PR_SET_MEMORY_MERGE=0 failed\n");  in test_prctl_fork_exec()
591 		ksft_test_result_fail("restore ksmd frequency failed\n");  in test_prctl_fork_exec()
610 		ksft_test_result_fail("PR_SET_MEMORY_MERGE=0 failed\n");  in test_prctl_unmerge()
637 			ksft_test_result_fail("ptrace write failed\n");  in test_prot_none()
644 		ksft_test_result_fail("MADV_UNMERGEABLE failed\n");  in test_prot_none()
673 		ksft_test_result_fail("fork() failed\n");  in test_fork_ksm_merging_page_count()
678 		ksft_test_result_fail("waitpid() failed\n");  in test_fork_ksm_merging_page_count()
699 		ksft_exit_fail_msg("opening /proc/self/mem failed\n");  in init_global_file_handles()
701 		ksft_exit_skip("accessing \"/sys/kernel/mm/ksm/run\") failed\n");  in init_global_file_handles()
703 		ksft_exit_skip("accessing \"/sys/kernel/mm/ksm/full_scans\") failed\n");  in init_global_file_handles()
706 		ksft_exit_skip("open(\"/proc/self/pagemap\") failed\n");  in init_global_file_handles()
708 		ksft_exit_skip("accessing \"/proc/self/ksm_merging_pages\") failed\n");  in init_global_file_handles()
712 		ksft_exit_fail_msg("opening /sys/kernel/mm/ksm/pages_to_scan failed\n");  in init_global_file_handles()
715 		ksft_exit_fail_msg("opening /sys/kernel/mm/ksm/sleep_millisecs failed\n");  in init_global_file_handles()
756 		ksft_exit_fail_msg("%d out of %d tests failed\n",  in main()