diff options
| author | Mike Rapoport (Microsoft) <rppt@kernel.org> | 2026-05-11 19:28:22 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-05-28 21:31:50 -0700 |
| commit | 9e62ef7d31c83fff56acc5084634b4d7e4f021c4 (patch) | |
| tree | 5309a8f33d88d7ebf1f0ef6a0db591befc8969da /tools | |
| parent | da26069d346288bdae8c25c8722a55b7e824f9d6 (diff) | |
| download | linux-next-history-9e62ef7d31c83fff56acc5084634b4d7e4f021c4.tar.gz | |
selftests/mm: hugetlb-madvise: add setup of HugeTLB pages
hugetlb-madvise 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.
Link: https://lore.kernel.org/20260511162840.375890-39-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/hugetlb-madvise.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/tools/testing/selftests/mm/hugetlb-madvise.c b/tools/testing/selftests/mm/hugetlb-madvise.c index 8adcd91d078df..555b4b3d14307 100644 --- a/tools/testing/selftests/mm/hugetlb-madvise.c +++ b/tools/testing/selftests/mm/hugetlb-madvise.c @@ -4,12 +4,6 @@ * * Basic functional testing of madvise MADV_DONTNEED and MADV_REMOVE * on hugetlb mappings. - * - * Before running this test, make sure the administrator has pre-allocated - * at least MIN_FREE_PAGES hugetlb pages and they are free. In addition, - * the test takes an argument that is the path to a file in a hugetlbfs - * filesystem. Therefore, a hugetlbfs filesystem must be mounted on some - * directory. */ #define _GNU_SOURCE @@ -68,9 +62,9 @@ int main(int argc, char **argv) if (!base_page_size) ksft_exit_fail_msg("Unable to determine base page size\n"); + if (!hugetlb_setup_default(MIN_FREE_PAGES)) + ksft_exit_skip("Not enough free huge pages (have %lu, need %d)\n", hugetlb_free_default_pages(), MIN_FREE_PAGES); free_hugepages = hugetlb_free_default_pages(); - if (free_hugepages < MIN_FREE_PAGES) - ksft_exit_skip("Not enough free huge pages (have %lu, need %d)\n", free_hugepages, MIN_FREE_PAGES); fd = memfd_create(argv[0], MFD_HUGETLB); if (fd < 0) |