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authorMike Rapoport (Microsoft) <rppt@kernel.org>2026-05-11 19:28:35 +0300
committerAndrew Morton <akpm@linux-foundation.org>2026-06-21 11:37:30 -0700
commitdf7ab28eeae653779a3a0b91b586505995cbafe1 (patch)
tree063687da065999dc5ff45e4ec4f8ef464eec4bd4 /tools
parent1d95be59ca0698c1095a08e11b6bc60df7bfaa26 (diff)
selftests/mm: uffd-wp-mremap: add setup of HugeTLB pages
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. Link: https://lore.kernel.org/20260511162840.375890-52-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Tested-by: Luiz Capitulino <luizcap@redhat.com> Tested-by: Sarthak Sharma <sarthak.sharma@arm.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: David Hildenbrand <david@kernel.org> Cc: Dev Jain <dev.jain@arm.com> Cc: Donet Tom <donettom@linux.ibm.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Lance Yang <lance.yang@linux.dev> Cc: Leon Romanovsky <leon@kernel.org> Cc: Liam Howlett <liam@infradead.org> Cc: Li Wang <li.wang@linux.dev> Cc: Lorenzo Stoakes <ljs@kernel.org> Cc: Mark Brown <broonie@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Nico Pache <npache@redhat.com> Cc: Peter Xu <peterx@redhat.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@kernel.org> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/mm/uffd-wp-mremap.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/testing/selftests/mm/uffd-wp-mremap.c b/tools/testing/selftests/mm/uffd-wp-mremap.c
index b44e02840a5e..90ac410c6c6f 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);
+
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 THP is supported, 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;