Define buffer on the stack here.

[simgrid.git] / src / smpi / colls / allreduce-rdb.c

diff --git a/src/smpi/colls/allreduce-rdb.c b/src/smpi/colls/allreduce-rdb.c
index 44717ad..23e7e30 100644 (file)
--- a/src/smpi/colls/allreduce-rdb.c
+++ b/src/smpi/colls/allreduce-rdb.c
@@ -4,7 +4,7 @@
 int smpi_coll_tuned_allreduce_rdb(void *sbuff, void *rbuff, int count,
                                   MPI_Datatype dtype, MPI_Op op, MPI_Comm comm)
 {
-  int nprocs, rank, tag = 543;
+  int nprocs, rank, tag = COLL_TAG_ALLREDUCE;
   int mask, dst, pof2, newrank, rem, newdst;
   MPI_Aint extent, lb;
   MPI_Status status;