diff options
| author | Mike Rapoport (Microsoft) <rppt@kernel.org> | 2026-05-11 19:28:20 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-06-21 11:37:26 -0700 |
| commit | 642d1fd449ff3fd714a8ba53b78cef65c8142990 (patch) | |
| tree | 68bf890d5db495bdf8ad1489e1ad1bbee5ec52db /tools | |
| parent | 28ef1fb4e5ce9dad1a10da85330b4911ce44d1d8 (diff) | |
selftests/mm: hugepage_dio: add setup of HugeTLB pages
hugepage_dio test fails 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/20260511162840.375890-37-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_dio.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/tools/testing/selftests/mm/hugetlb_dio.c b/tools/testing/selftests/mm/hugetlb_dio.c index 47019433ddaf..fb4600570e13 100644 --- a/tools/testing/selftests/mm/hugetlb_dio.c +++ b/tools/testing/selftests/mm/hugetlb_dio.c @@ -85,8 +85,6 @@ static void run_dio_using_hugetlb(int fd, unsigned int start_off, /* Get the default huge page size */ h_pagesize = default_huge_page_size(); - if (!h_pagesize) - ksft_exit_fail_msg("Unable to determine huge page size\n"); /* Reset file position since fd is shared across tests */ if (lseek(fd, 0, SEEK_SET) < 0) @@ -94,10 +92,6 @@ static void run_dio_using_hugetlb(int fd, unsigned int start_off, /* Get the free huge pages before allocation */ free_hpage_b = hugetlb_free_default_pages(); - if (free_hpage_b == 0) { - close(fd); - ksft_exit_skip("No free hugepage, exiting!\n"); - } /* Allocate a hugetlb page */ orig_buffer = mmap(NULL, h_pagesize, mmap_prot, mmap_flags, -1, 0); @@ -141,8 +135,8 @@ int main(void) ksft_print_header(); - /* Check if huge pages are free */ - if (!hugetlb_free_default_pages()) + /* request a huge page */ + if (!hugetlb_setup_default(1)) ksft_exit_skip("No free hugepage, exiting\n"); fd = open("/tmp", O_TMPFILE | O_RDWR | O_DIRECT, 0664); |