From 6a1530b72172faab6860601b33b8325ca8490192 Mon Sep 17 00:00:00 2001
From: degomme <degomme@localhost.localdomain>
Date: Wed, 4 Jun 2014 18:18:55 +0200
Subject: [PATCH 1/1] Privatization : switch data segments when copying inside
 a single node

---
 src/smpi/smpi_mpi_dt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/smpi/smpi_mpi_dt.c b/src/smpi/smpi_mpi_dt.c
index ee348b8eb9..2b42d05a97 100644
--- a/src/smpi/smpi_mpi_dt.c
+++ b/src/smpi/smpi_mpi_dt.c
@@ -157,7 +157,9 @@ int smpi_datatype_copy(void *sendbuf, int sendcount, MPI_Datatype sendtype,
                        void *recvbuf, int recvcount, MPI_Datatype recvtype)
 {
   int count;
-
+  if(smpi_privatize_global_variables){
+    switch_data_segment(smpi_process_index());
+  }
   /* First check if we really have something to do */
   if (recvcount > 0 && recvbuf != sendbuf) {
     /* FIXME: treat packed cases */
-- 
2.20.1