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-rw-r--r--tools/testing/selftests/arm64/mte/check_hugetlb_options.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/testing/selftests/arm64/mte/check_hugetlb_options.c b/tools/testing/selftests/arm64/mte/check_hugetlb_options.c
index 11f812635b51..3bfcd3848432 100644
--- a/tools/testing/selftests/arm64/mte/check_hugetlb_options.c
+++ b/tools/testing/selftests/arm64/mte/check_hugetlb_options.c
@@ -227,6 +227,8 @@ static int check_child_hugetlb_memory_mapping(int mem_type, int mode, int mappin
int main(int argc, char *argv[])
{
int err;
+ void *map_ptr;
+ unsigned long map_size;
err = mte_default_setup();
if (err)
@@ -243,6 +245,15 @@ int main(int argc, char *argv[])
return KSFT_FAIL;
}
+ /* Check if MTE supports hugetlb mappings */
+ map_size = default_huge_page_size();
+ map_ptr = mmap(NULL, map_size, PROT_READ | PROT_MTE,
+ MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, 0);
+ if (map_ptr == MAP_FAILED)
+ ksft_exit_skip("PROT_MTE not supported with MAP_HUGETLB mappings\n");
+ else
+ munmap(map_ptr, map_size);
+
/* Set test plan */
ksft_set_plan(12);