Increase default minimum sm pool size. Discussed in this RFC:

http://www.open-mpi.org/community/lists/devel/2014/07/15274.php

cmr=v1.8.3:reviewer=bosilca

This commit was SVN r32356.

opal/mca/mpool/sm/mpool_sm_component.c

@@ -13,6 +13,7 @@
  * Copyright (c) 2008-2009 Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2010-2013 Los Alamos National Security, LLC.  
  *                         All rights reserved. 
+ * Copyright (c) 2014      NVIDIA Corporation.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -79,7 +80,7 @@ mca_mpool_sm_component_t mca_mpool_sm_component = {
     }
 };
 
-static long default_min = 67108864;
+static long default_min = 134217728;
 static unsigned long long opal_mpool_sm_min_size;
 static int opal_mpool_sm_verbose;