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On 4/29/26 2:12 AM, Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > uffd-wp-remap skips HugeTLB tests 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) > --- > tools/testing/selftests/mm/uffd-wp-mremap.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/tools/testing/selftests/mm/uffd-wp-mremap.c b/tools/testing/selftests/mm/uffd-wp-mremap.c > index 9d67b11c2f28..f63fe02f404f 100644 > --- a/tools/testing/selftests/mm/uffd-wp-mremap.c > +++ b/tools/testing/selftests/mm/uffd-wp-mremap.c > @@ -336,14 +336,14 @@ int main(int argc, char **argv) > struct thp_settings settings; > int i, j, plan = 0; > > + hugepage_save_settings(true, true); Since hugetlb_setup below already calls hugepage_save_settings() internally, perhaps we can change this to hugepage_save_settings(true, false) or simply keep thp_save_settings()? Otherwise we're saving the HugeTLB state twice here and it seems redundant. > + > pagesize = getpagesize(); > nr_thpsizes = detect_thp_sizes(thpsizes, ARRAY_SIZE(thpsizes)); > - nr_hugetlbsizes = detect_hugetlb_page_sizes(hugetlbsizes, > - ARRAY_SIZE(hugetlbsizes)); > + nr_hugetlbsizes = hugetlb_setup(1, hugetlbsizes, ARRAY_SIZE(hugetlbsizes)); > > /* If THP is supported, save THP settings and initially disable THP. */ > if (nr_thpsizes) { > - thp_save_settings(); > thp_read_settings(&settings); > for (i = 0; i < NR_ORDERS; i++) { > settings.hugepages[i].enabled = THP_NEVER;