X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftests%2Fvm%2Fchild-sort.c;h=dff2c772050167e4227f314e6fdea2e34b5c4437;hb=7eb9f6e1fa81807ee7cc381047077f8ff98d1d68;hp=638a66de2a190192955364e2cbeba2675df9b1d7;hpb=615bf3b3d2a8573ed6fb9ddc0055745e163ac999;p=pintos-anon

diff --git a/src/tests/vm/child-sort.c b/src/tests/vm/child-sort.c
index 638a66d..dff2c77 100644
--- a/src/tests/vm/child-sort.c
+++ b/src/tests/vm/child-sort.c
@@ -1,3 +1,7 @@
+/* Reads a 128 kB file into static data and "sorts" the bytes in
+   it, using counting sort, a single-pass algorithm.  The sorted
+   data is written back to the same file in-place. */
+
 #include <debug.h>
 #include <syscall.h>
 #include "tests/lib.h"