Signed-off-by: Suresh <[email protected]>
---
tools/testing/selftests/mincore/mincore_selftest.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/mincore/mincore_selftest.c
b/tools/testing/selftests/mincore/mincore_selftest.c
index 17ed3e9917ca..c4f0d21f7678 100644
--- a/tools/testing/selftests/mincore/mincore_selftest.c
+++ b/tools/testing/selftests/mincore/mincore_selftest.c
@@ -146,6 +146,11 @@ TEST(check_huge_pages)
page_size = sysconf(_SC_PAGESIZE);
errno = 0;
+ /*
+ * Attempt to map a huge page
+ * MAP_HUGETLB flag requests a huge page allocation
+ * Size is normal page_size, but kernel uses huge page backing
+ */
addr = mmap(NULL, page_size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB,
-1, 0);
--
2.45.2
