X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftests%2Fvm%2Fmmap-write.c;h=46e804349367aab3c0259bdf1f5ff87dddc1d2be;hb=99eb1759eb5a6c39e5410f1c1d907648aa393b55;hp=b231282f96e4b1dc3c485d14b5a4e0aa168bf9ac;hpb=42a67e9ac6854ec56c35c82e1ad9c4e2c8662139;p=pintos-anon

diff --git a/src/tests/vm/mmap-write.c b/src/tests/vm/mmap-write.c
index b231282..46e8043 100644
--- a/src/tests/vm/mmap-write.c
+++ b/src/tests/vm/mmap-write.c
@@ -1,3 +1,7 @@
+/* Writes to a file through a mapping, and unmaps the file,
+   then reads the data in the file back using the read system
+   call to verify. */
+
 #include <string.h>
 #include <syscall.h>
 #include "tests/vm/sample.inc"