--- zzzz-none-000/linux-3.10.107/tools/testing/selftests/vm/map_hugetlb.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/tools/testing/selftests/vm/map_hugetlb.c	2021-02-04 17:41:59.000000000 +0000
@@ -73,7 +73,11 @@
 	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;
 }