Add explanatory comments to userprog tests.

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

diff --git a/src/tests/userprog/write-boundary.c b/src/tests/userprog/write-boundary.c
index 639e981635acd8a986d9b06439115ee827312c5d..d2de1d428383fb8e925098566ec85815911fd6ba 100644 (file)
--- a/src/tests/userprog/write-boundary.c
+++ b/src/tests/userprog/write-boundary.c
@@ -1,3 +1,6 @@
+/* Writes data spanning two pages in virtual address space,
+   which must succeed. */
+
 #include <string.h>
 #include <syscall.h>
 #include "tests/userprog/boundary.h"