X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftests%2Fvm%2Fmmap-null.c;h=f8ef075a0e59273b13ad4a2cded6e834ac4d7857;hb=3b458804e1d0a460fb1c90f06f495b9f7a972424;hp=98d726990ee89589870828fa58f7d440baa80c90;hpb=615bf3b3d2a8573ed6fb9ddc0055745e163ac999;p=pintos-anon

diff --git a/src/tests/vm/mmap-null.c b/src/tests/vm/mmap-null.c
index 98d7269..f8ef075 100644
--- a/src/tests/vm/mmap-null.c
+++ b/src/tests/vm/mmap-null.c
@@ -1,3 +1,5 @@
+/* Verifies that memory mappings at address 0 are disallowed. */
+
 #include <syscall.h>
 #include "tests/lib.h"
 #include "tests/main.h"