Add explanatory comments to vm tests.

[pintos-anon] / src / tests / vm / pt-write-code-2.c

diff --git a/src/tests/vm/pt-write-code-2.c b/src/tests/vm/pt-write-code-2.c
index 282667ad629ab8422f652f9fb2fde381ceeac324..83bcc2c3b620e416f4736d013f3ce8b7af89b564 100644 (file)
--- a/src/tests/vm/pt-write-code-2.c
+++ b/src/tests/vm/pt-write-code-2.c
@@ -1,3 +1,6 @@
+/* Try to write to the code segment using a system call.
+   The process must be terminated with -1 exit code. */
+
 #include "tests/lib.h"
 #include "tests/main.h"