Add explanatory comments to vm tests.

[pintos-anon] / src / tests / vm / mmap-close.c

diff --git a/src/tests/vm/mmap-close.c b/src/tests/vm/mmap-close.c
index f3533041d484429c4b5f4c4dc2c59d38f6df2e4a..d016ee304cdd2ddc86ae399d744866dbe8caf9f7 100644 (file)
--- a/src/tests/vm/mmap-close.c
+++ b/src/tests/vm/mmap-close.c
@@ -1,3 +1,5 @@
+/* Verifies that memory mappings persist after file close. */
+
 #include <string.h>
 #include <syscall.h>
 #include "tests/vm/sample.inc"