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Before the patch, the test skipped if there was not exactly 1 free hugepage available. After the patch, it correctly allocates one hugepage and the test passes successfully, restoring the original hugepage settings on exit. Tested-by: Sarthak Sharma > --- > tools/testing/selftests/mm/hugetlb_madv_vs_map.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/tools/testing/selftests/mm/hugetlb_madv_vs_map.c b/tools/testing/selftests/mm/hugetlb_madv_vs_map.c > index dfbd71a7f709..6c95dd23ca81 100644 > --- a/tools/testing/selftests/mm/hugetlb_madv_vs_map.c > +++ b/tools/testing/selftests/mm/hugetlb_madv_vs_map.c > @@ -77,7 +77,6 @@ void *map_extra(void *unused) > int main(void) > { > pthread_t thread1, thread2, thread3; > - unsigned long free_hugepages; > void *ret; > > /* > @@ -89,11 +88,9 @@ int main(void) > ksft_print_header(); > ksft_set_plan(1); > > - 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()); > > mmap_size = default_huge_page_size(); >