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No functional change is intended other than the layout of output messages. Signed-off-by: Muhammad Usama Anjum --- tools/testing/selftests/mm/mremap_dontunmap.c | 32 ++++++++++++------- 1 file changed, 20 insertions(+), 12 deletions(-) diff --git a/tools/testing/selftests/mm/mremap_dontunmap.c b/tools/testing/selftests/mm/mremap_dontunmap.c index a06e73ec85682..1d75084b9ca56 100644 --- a/tools/testing/selftests/mm/mremap_dontunmap.c +++ b/tools/testing/selftests/mm/mremap_dontunmap.c @@ -27,14 +27,14 @@ static void dump_maps(void) system(cmd); } -#define BUG_ON(condition, description) \ - do { \ - if (condition) { \ - fprintf(stderr, "[FAIL]\t%s():%d\t%s:%s\n", __func__, \ - __LINE__, (description), strerror(errno)); \ - dump_maps(); \ - exit(1); \ - } \ +#define BUG_ON(condition, description) \ + do { \ + if (condition) { \ + dump_maps(); \ + ksft_exit_fail_msg("[FAIL]\t%s:%d\t%s:%s\n", \ + __func__, __LINE__, (description), \ + strerror(errno)); \ + } \ } while (0) // Try a simple operation for to "test" for kernel support this prevents @@ -122,6 +122,7 @@ static void mremap_dontunmap_simple() "unable to unmap destination mapping"); BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, "unable to unmap source mapping"); + ksft_test_result_pass("%s\n", __func__); } // This test validates that MREMAP_DONTUNMAP on a shared mapping works as expected. @@ -173,6 +174,7 @@ static void mremap_dontunmap_simple_shmem() "unable to unmap destination mapping"); BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, "unable to unmap source mapping"); + ksft_test_result_pass("%s\n", __func__); } // This test validates MREMAP_DONTUNMAP will move page tables to a specific @@ -219,6 +221,7 @@ static void mremap_dontunmap_simple_fixed() "unable to unmap destination mapping"); BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, "unable to unmap source mapping"); + ksft_test_result_pass("%s\n", __func__); } // This test validates that we can MREMAP_DONTUNMAP for a portion of an @@ -269,6 +272,7 @@ static void mremap_dontunmap_partial_mapping() "unable to unmap destination mapping"); BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, "unable to unmap source mapping"); + ksft_test_result_pass("%s\n", __func__); } // This test validates that we can remap over only a portion of a mapping. @@ -328,19 +332,24 @@ static void mremap_dontunmap_partial_mapping_overwrite(void) "unable to unmap destination mapping"); BUG_ON(munmap(source_mapping, 5 * page_size) == -1, "unable to unmap source mapping"); + ksft_test_result_pass("%s\n", __func__); } int main(void) { + ksft_print_header(); + page_size = sysconf(_SC_PAGE_SIZE); // test for kernel support for MREMAP_DONTUNMAP skipping the test if // not. if (kernel_support_for_mremap_dontunmap() != 0) { - printf("No kernel support for MREMAP_DONTUNMAP\n"); - return KSFT_SKIP; + ksft_print_msg("No kernel support for MREMAP_DONTUNMAP\n"); + ksft_finished(); } + ksft_set_plan(5); + // Keep a page sized buffer around for when we need it. page_buffer = mmap(NULL, page_size, PROT_READ | PROT_WRITE, @@ -356,6 +365,5 @@ int main(void) BUG_ON(munmap(page_buffer, page_size) == -1, "unable to unmap page buffer"); - printf("OK\n"); - return 0; + ksft_finished(); }