[mc] Only enable KSM on snapshots and not on main memory

[simgrid.git] / src / xbt / mmalloc / mmorecore.c

diff --git a/src/xbt/mmalloc/mmorecore.c b/src/xbt/mmalloc/mmorecore.c
index 014b8b8..9fbf7a9 100644 (file)
--- a/src/xbt/mmalloc/mmorecore.c
+++ b/src/xbt/mmalloc/mmorecore.c
@@ -1,7 +1,4 @@
-/* Support for an sbrk-like function that uses mmap.
-   Copyright 1992, 2000 Free Software Foundation, Inc.
-
-   Contributed by Fred Fish at Cygnus Support.   fnf@cygnus.com */
+/* Support for an sbrk-like function that uses mmap. */
 
 /* Copyright (c) 2010-2014. The SimGrid Team.
  * All rights reserved.                                                     */
@@ -9,9 +6,9 @@
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
-#ifndef MAP_ANONYMOUS
-#define MAP_ANONYMOUS MAP_ANON
-#endif
+/* Copyright 1992, 2000 Free Software Foundation, Inc.
+
+   Contributed by Fred Fish at Cygnus Support.   fnf@cygnus.com */
 
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>             /* Prototypes for lseek */
@@ -23,6 +20,10 @@
 
 #include "mmprivate.h"
 
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
 #define PAGE_ALIGN(addr) (void*) (((long)(addr) + xbt_pagesize - 1) &   \
                                   ~((long)xbt_pagesize - 1))