From: Wolfgang Bangerth <bangerth@math.tamu.edu>
Date: Sun, 6 Sep 2009 01:20:38 +0000 (+0000)
Subject: Add to documentation.
X-Git-Tag: v8.0.0~7176
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d17b839f345f827a1a0e9e10a21d10439f69d1a8;p=dealii.git

Add to documentation.

git-svn-id: https://svn.dealii.org/trunk@19397 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/base/include/base/utilities.h b/deal.II/base/include/base/utilities.h
index e6b2234e53..e97cad96e1 100644
--- a/deal.II/base/include/base/utilities.h
+++ b/deal.II/base/include/base/utilities.h
@@ -278,6 +278,11 @@ namespace Utilities
 				      * communicators over which they can
 				      * interact without interfering with each
 				      * other.
+				      *
+				      * When no longer needed, the
+				      * communicator created here needs to
+				      * be destroyed using
+				      * <code>MPI_Comm_free</code>.
 				      */
     MPI_Comm duplicate_communicator (const MPI_Comm &mpi_communicator);