Get rid of unnecessary barrier. Improve comment.

[pintos-anon] / grading / vm / mmap-twice.c

diff --git a/grading/vm/mmap-twice.c b/grading/vm/mmap-twice.c
index f913d1d92d3dd12c1ac9716eee38e2cdadf2a6b4..a2b5a10e35a6869649ea7aa090f17c22253f39b5 100644 (file)
--- a/grading/vm/mmap-twice.c
+++ b/grading/vm/mmap-twice.c
@@ -21,12 +21,12 @@ main (void)
       fd[i] = open ("sample.txt");
       if (fd[i] < 0) 
         {
-          printf ("(mmap-twice) open() %zu failed\n", i);
+          printf ("(mmap-twice) open() #%zu failed\n", i);
           return 1;
         }
-      if (!mmap (fd[i], actual[i], 8192))
+      if (mmap (fd[i], actual[i]) == MAP_FAILED)
         {
-          printf ("(mmap-twice) mmap() %zu failed\n", i);
+          printf ("(mmap-twice) mmap() #%zu failed\n", i);
           return 1; 
         }
     }