From: "Mike Rapoport (Microsoft)" <[email protected]> hugetlb_fault_after_madv 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. Signed-off-by: Mike Rapoport (Microsoft) <[email protected]> --- tools/testing/selftests/mm/hugetlb_fault_after_madv.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb_fault_after_madv.c b/tools/testing/selftests/mm/hugetlb_fault_after_madv.c index c718dd065d53..481863cc5fda 100644 --- a/tools/testing/selftests/mm/hugetlb_fault_after_madv.c +++ b/tools/testing/selftests/mm/hugetlb_fault_after_madv.c @@ -54,7 +54,6 @@ void *madv(void *unused) int main(void) { - unsigned long free_hugepages; pthread_t thread1, thread2; /* * On kernel 6.4, we are able to reproduce the problem with ~1000 @@ -78,10 +77,9 @@ int main(void) ksft_print_msg("[INFO] detected default hugetlb page size: %zu KiB\n", huge_page_size / 1024); - free_hugepages = hugetlb_free_default_pages(); - if (free_hugepages != 1) { + if (!hugetlb_setup_default(1)) { ksft_exit_skip("This test needs one and only one page to execute. Got %lu\n", - free_hugepages); + hugetlb_free_default_pages()); } while (max--) { -- 2.53.0
