X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftests%2Fuserprog%2Fboundary.c;h=59907ec935d36d8e498766730138741f0143e89d;hb=17ed20cf9f075c9ebb39449d24516a8fa1174804;hp=50f2618d3db62852a7368630e267eba22afeb27d;hpb=4ebf33908a571a7cde93fe618902b044e3633cdf;p=pintos-anon

diff --git a/src/tests/userprog/boundary.c b/src/tests/userprog/boundary.c
index 50f2618..59907ec 100644
--- a/src/tests/userprog/boundary.c
+++ b/src/tests/userprog/boundary.c
@@ -1,3 +1,7 @@
+/* Utility function for tests that try to break system calls by
+   passing them data that crosses from one virtual page to
+   another. */
+
 #include <inttypes.h>
 #include <round.h>
 #include <string.h>