From: "Mike Rapoport (Microsoft)" <[email protected]> hugepage_dio test fails 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. Signed-off-by: Mike Rapoport (Microsoft) <[email protected]> --- tools/testing/selftests/mm/hugetlb_dio.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb_dio.c b/tools/testing/selftests/mm/hugetlb_dio.c index 47019433ddaf..fb4600570e13 100644 --- a/tools/testing/selftests/mm/hugetlb_dio.c +++ b/tools/testing/selftests/mm/hugetlb_dio.c @@ -85,8 +85,6 @@ static void run_dio_using_hugetlb(int fd, unsigned int start_off, /* Get the default huge page size */ h_pagesize = default_huge_page_size(); - if (!h_pagesize) - ksft_exit_fail_msg("Unable to determine huge page size\n"); /* Reset file position since fd is shared across tests */ if (lseek(fd, 0, SEEK_SET) < 0) @@ -94,10 +92,6 @@ static void run_dio_using_hugetlb(int fd, unsigned int start_off, /* Get the free huge pages before allocation */ free_hpage_b = hugetlb_free_default_pages(); - if (free_hpage_b == 0) { - close(fd); - ksft_exit_skip("No free hugepage, exiting!\n"); - } /* Allocate a hugetlb page */ orig_buffer = mmap(NULL, h_pagesize, mmap_prot, mmap_flags, -1, 0); @@ -141,8 +135,8 @@ int main(void) ksft_print_header(); - /* Check if huge pages are free */ - if (!hugetlb_free_default_pages()) + /* request a huge page */ + if (!hugetlb_setup_default(1)) ksft_exit_skip("No free hugepage, exiting\n"); fd = open("/tmp", O_TMPFILE | O_RDWR | O_DIRECT, 0664); -- 2.53.0
