Add explanatory comments to vm tests.

[pintos-anon] / src / tests / vm / page-shuffle.c

diff --git a/src/tests/vm/page-shuffle.c b/src/tests/vm/page-shuffle.c
index c0caa5791e112816eb2141c1550cd7274eb9d743..095a9da37909dd51ffe8d6271edd3349c30c8424 100644 (file)
--- a/src/tests/vm/page-shuffle.c
+++ b/src/tests/vm/page-shuffle.c
@@ -1,3 +1,6 @@
+/* Shuffles a 128 kB data buffer 10 times, printing the checksum
+   after each time. */
+
 #include <stdbool.h>
 #include "tests/arc4.h"
 #include "tests/cksum.h"