diff options
Diffstat (limited to 'tools/testing/selftests/mm/soft-dirty.c')
| -rw-r--r-- | tools/testing/selftests/mm/soft-dirty.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c index 21d8830c5f24..cc5f144430d4 100644 --- a/tools/testing/selftests/mm/soft-dirty.c +++ b/tools/testing/selftests/mm/soft-dirty.c @@ -80,6 +80,9 @@ static void test_hugepage(int pagemap_fd, int pagesize) int i, ret; size_t hpage_len = read_pmd_pagesize(); + if (!hpage_len) + ksft_exit_fail_msg("Reading PMD pagesize failed"); + map = memalign(hpage_len, hpage_len); if (!map) ksft_exit_fail_msg("memalign failed\n"); |