From: "Mike Rapoport (Microsoft)" hugetlb-madvise test skips testing if there are no free huge pages prepared by a wrapper script. Add setup of HugeTLB pages to the test and make sure that the original settings are restored on the test exit. Tested-by: Luiz Capitulino Tested-by: Sarthak Sharma Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/hugetlb-madvise.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb-madvise.c b/tools/testing/selftests/mm/hugetlb-madvise.c index 8adcd91d078d..555b4b3d1430 100644 --- a/tools/testing/selftests/mm/hugetlb-madvise.c +++ b/tools/testing/selftests/mm/hugetlb-madvise.c @@ -4,12 +4,6 @@ * * Basic functional testing of madvise MADV_DONTNEED and MADV_REMOVE * on hugetlb mappings. - * - * Before running this test, make sure the administrator has pre-allocated - * at least MIN_FREE_PAGES hugetlb pages and they are free. In addition, - * the test takes an argument that is the path to a file in a hugetlbfs - * filesystem. Therefore, a hugetlbfs filesystem must be mounted on some - * directory. */ #define _GNU_SOURCE @@ -68,9 +62,9 @@ int main(int argc, char **argv) if (!base_page_size) ksft_exit_fail_msg("Unable to determine base page size\n"); + if (!hugetlb_setup_default(MIN_FREE_PAGES)) + ksft_exit_skip("Not enough free huge pages (have %lu, need %d)\n", hugetlb_free_default_pages(), MIN_FREE_PAGES); free_hugepages = hugetlb_free_default_pages(); - if (free_hugepages < MIN_FREE_PAGES) - ksft_exit_skip("Not enough free huge pages (have %lu, need %d)\n", free_hugepages, MIN_FREE_PAGES); fd = memfd_create(argv[0], MFD_HUGETLB); if (fd < 0) -- 2.53.0