Add explanatory comments to userprog tests.

[pintos-anon] / src / tests / userprog / sc-boundary.c

diff --git a/src/tests/userprog/sc-boundary.c b/src/tests/userprog/sc-boundary.c
index 86371d6365b261dfeecc7c1cdbd90d59785cfe9c..28525684d9676c70c4913ef2a4d8c513d2f44009 100644 (file)
--- a/src/tests/userprog/sc-boundary.c
+++ b/src/tests/userprog/sc-boundary.c
@@ -1,3 +1,6 @@
+/* Invokes a system call with the system call number and its
+   argument on separate pages.  This must work. */
+
 #include <syscall-nr.h>
 #include "tests/userprog/boundary.h"
 #include "tests/lib.h"