X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftests%2Fuserprog%2Fboundary.c;h=59907ec935d36d8e498766730138741f0143e89d;hb=2de6c3a98848de085ca065b42b4e3df9741345ac;hp=50f2618d3db62852a7368630e267eba22afeb27d;hpb=615bf3b3d2a8573ed6fb9ddc0055745e163ac999;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>