1 files changed, 5 insertions, 1 deletions

diff --git a/tools/testing/selftests/vm/map_hugetlb.c b/tools/testing/selftests/vm/map_hugetlb.c
index ac56639dd4a9..addcd6fc1ecc 100644
--- a/tools/testing/selftests/vm/map_hugetlb.c
+++ b/tools/testing/selftests/vm/map_hugetlb.c
@@ -73,7 +73,11 @@ int main(void)
         write_bytes(addr);
         ret = read_bytes(addr);
 
-        munmap(addr, LENGTH);
+        /* munmap() length of MAP_HUGETLB memory must be hugepage aligned */
+        if (munmap(addr, LENGTH)) {
+                perror("munmap");
+                exit(1);
+        }
 
         return ret;
 }