[mc] Bring back KSM (MADV_MERGEABLE) support

[simgrid.git] / src / simgrid / sg_config.c

diff --git a/src/simgrid/sg_config.c b/src/simgrid/sg_config.c
index 8a71c27..f1fae08 100644 (file)
--- a/src/simgrid/sg_config.c
+++ b/src/simgrid/sg_config.c
@@ -18,7 +18,9 @@
 #include "instr/instr_interface.h"
 #include "simgrid/simix.h"
 #include "simgrid/sg_config.h"
+#ifdef HAVE_SMPI
 #include "smpi/smpi_interface.h"
+#endif
 #include "mc/mc.h"
 #include "mc/mc_record.h"
 #include "simgrid/instr.h"
@@ -623,6 +625,11 @@ void sg_config_init(int *argc, char **argv)
                      xbt_cfgelm_boolean, 1, 1, _mc_cfg_cb_sparse_checkpoint, NULL);
     xbt_cfg_setdefault_boolean(_sg_cfg_set, "model-check/sparse-checkpoint", "no");
 
+    xbt_cfg_register(&_sg_cfg_set, "model-check/ksm",
+                     "Kernel same-page merging",
+                     xbt_cfgelm_boolean, 1, 1, _mc_cfg_cb_ksm, NULL);
+    xbt_cfg_setdefault_boolean(_sg_cfg_set, "model-check/ksm", "no");
+
     /* do liveness model-checking */
     xbt_cfg_register(&_sg_cfg_set, "model-check/property",
                      "Specify the name of the file containing the property. It must be the result of the ltl2ba program.",