Add explanatory comments to vm tests.

[pintos-anon] / src / tests / vm / pt-bad-read.c

diff --git a/src/tests/vm/pt-bad-read.c b/src/tests/vm/pt-bad-read.c
index 6b7f008039e444d5e0504be10e8b3fa76c602d4c..ee791ffe79433a946b41276333950a6e3c33188f 100644 (file)
--- a/src/tests/vm/pt-bad-read.c
+++ b/src/tests/vm/pt-bad-read.c
@@ -1,3 +1,6 @@
+/* Reads from a file into a bad address.
+   The process must be terminated with -1 exit code. */
+
 #include <syscall.h>
 #include "tests/lib.h"
 #include "tests/main.h"