X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7f4665af2208aa2936e15597d20e7771a11a6dd7..b8d73e39d7ad879522cdb542e4ed69e2077a6f9e:/src/include/mc/mc.h

diff --git a/src/include/mc/mc.h b/src/include/mc/mc.h
index bbcdc2fd14..80f71466b0 100644
--- a/src/include/mc/mc.h
+++ b/src/include/mc/mc.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008-2013. The SimGrid Team.
+/* Copyright (c) 2008-2014. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -17,7 +17,22 @@
 #include "xbt/automaton.h"
 #include "xbt/dynar.h"
 
-#define STD_HEAP_SIZE   20480000        /* Maximum size of the system's heap */
+/* Maximum size of the application heap.
+ *
+ * The model-checker heap is placed at this offset from the
+ * beginning of the application heap.
+ *
+ * In the current implementation, if the application uses more
+ * than this for the application heap the application heap will
+ * smash the beginning of the model-checker heap and bad things
+ * will happen.
+ *
+ * For 64 bits systems, we have a lot of virtual memory available
+ * so we wan use a much bigger value in order to avoid bad things
+ * from happening.
+ * */
+
+#define STD_HEAP_SIZE   (sizeof(void*)<=4 ? (100*1024*1024) : (1ll*1024*1024*1024*1024))
 
 SG_BEGIN_DECL()