X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1b1016c3ad9e396286bf2c692c92cf5fd567b1d3..b3973f5189df8d8983e47336546fd0259f0e2dab:/src/xbt/mmalloc/mmorecore.c

diff --git a/src/xbt/mmalloc/mmorecore.c b/src/xbt/mmalloc/mmorecore.c
index 2182cc4add..74ed341050 100644
--- a/src/xbt/mmalloc/mmorecore.c
+++ b/src/xbt/mmalloc/mmorecore.c
@@ -19,6 +19,7 @@
 #include <stdio.h>
 #include <fcntl.h>
 #include <sys/mman.h>
+#include <sys/wait.h>
 
 #include "mmprivate.h"
 
@@ -122,6 +123,10 @@ void *mmorecore(struct mdesc *mdp, ssize_t size)
         abort();
       }
 
+#ifdef MADV_MERGEABLE
+      madvise(mapto, mapbytes, MADV_MERGEABLE);
+#endif
+
       if (mdp->top == 0)
         mdp->base = mdp->breakval = mapto;