diff --git a/contrib/platform/lanl/rr-class/debug-nopanasas b/contrib/platform/lanl/rr-class/debug-nopanasas
index 67ac1192b5..508a3041de 100644
--- a/contrib/platform/lanl/rr-class/debug-nopanasas
+++ b/contrib/platform/lanl/rr-class/debug-nopanasas
@@ -16,6 +16,7 @@ enable_mpi_cxx_seek=yes
 enable_cxx_exceptions=yes
 enable_ft_thread=no
 enable_per_user_config_files=no
+enable_ptmalloc2_internal=yes
 enable_mca_no_build=crs,routed-direct,routed-linear,snapc,pml-dr,pml-crcp2,pml-crcpw,pml-v,pml-example,crcp,pml-cm,filem
 enable_contrib_no_build=libnbc,vt
 with_tm=/opt/PBS
diff --git a/contrib/platform/lanl/rr-class/debug-panasas b/contrib/platform/lanl/rr-class/debug-panasas
index 47292a76f8..fbe37e881b 100644
--- a/contrib/platform/lanl/rr-class/debug-panasas
+++ b/contrib/platform/lanl/rr-class/debug-panasas
@@ -16,6 +16,7 @@ enable_mpi_cxx_seek=yes
 enable_cxx_exceptions=yes
 enable_ft_thread=no
 enable_per_user_config_files=no
+enable_ptmalloc2_internal=yes
 enable_mca_no_build=crs,routed-direct,routed-linear,snapc,pml-dr,pml-crcp2,pml-crcpw,pml-v,pml-example,crcp,pml-cm,filem
 enable_contrib_no_build=libnbc,vt
 with_tm=/opt/PBS
diff --git a/contrib/platform/lanl/rr-class/optimized-nopanasas b/contrib/platform/lanl/rr-class/optimized-nopanasas
index 48e40d8f35..14ba99301f 100644
--- a/contrib/platform/lanl/rr-class/optimized-nopanasas
+++ b/contrib/platform/lanl/rr-class/optimized-nopanasas
@@ -16,6 +16,7 @@ enable_mpi_cxx_seek=yes
 enable_cxx_exceptions=no
 enable_ft_thread=no
 enable_per_user_config_files=no
+enable_ptmalloc2_internal=yes
 enable_mca_no_build=crs,routed-direct,routed-linear,snapc,pml-dr,pml-crcp2,pml-crcpw,pml-v,pml-example,crcp,pml-cm,filem
 enable_contrib_no_build=libnbc,vt
 with_tm=/opt/PBS
diff --git a/contrib/platform/lanl/rr-class/optimized-panasas b/contrib/platform/lanl/rr-class/optimized-panasas
index 78a46896ee..8086c5460e 100644
--- a/contrib/platform/lanl/rr-class/optimized-panasas
+++ b/contrib/platform/lanl/rr-class/optimized-panasas
@@ -16,6 +16,7 @@ enable_mpi_cxx_seek=yes
 enable_cxx_exceptions=no
 enable_ft_thread=no
 enable_per_user_config_files=no
+enable_ptmalloc2_internal=yes
 enable_mca_no_build=crs,routed-direct,routed-linear,snapc,pml-dr,pml-crcp2,pml-crcpw,pml-v,pml-example,crcp,pml-cm,filem
 enable_contrib_no_build=libnbc,vt
 with_tm=/opt/PBS
diff --git a/contrib/platform/lanl/rr-class/slave b/contrib/platform/lanl/rr-class/slave
index e522b0f517..b1265c9388 100644
--- a/contrib/platform/lanl/rr-class/slave
+++ b/contrib/platform/lanl/rr-class/slave
@@ -17,6 +17,7 @@ enable_cxx_exceptions=no
 enable_ft_thread=no
 enable_per_user_config_files=no
 enable_script_wrapper_compilers=yes
+enable_ptmalloc2_internal=yes
 enable_mca_no_build=crs,routed-linear,routed-radix,snapc,pml-dr,pml-crcp2,pml-crcpw,pml-v,pml-example,crcp,pml-cm,btl-openib,btl-sm,filem,plm-tm
 enable_contrib_no_build=libnbc,vt
 with_tm=no
diff --git a/contrib/platform/lanl/tlcc/debug-nopanasas b/contrib/platform/lanl/tlcc/debug-nopanasas
index e9e1251f2e..f4349f7b3a 100644
--- a/contrib/platform/lanl/tlcc/debug-nopanasas
+++ b/contrib/platform/lanl/tlcc/debug-nopanasas
@@ -16,6 +16,7 @@ enable_mpi_cxx_seek=yes
 enable_cxx_exceptions=yes
 enable_ft_thread=no
 enable_per_user_config_files=no
+enable_ptmalloc2_internal=yes
 enable_mca_no_build=crs,filem,routed-linear,snapc,pml-dr,pml-crcp2,pml-crcpw,pml-v,pml-example,crcp,pml-cm,btl-tcp
 enable_contrib_no_build=libnbc,vt
 with_slurm=yes
diff --git a/contrib/platform/lanl/tlcc/debug-panasas b/contrib/platform/lanl/tlcc/debug-panasas
index f0a5f614b2..29057c9ef7 100644
--- a/contrib/platform/lanl/tlcc/debug-panasas
+++ b/contrib/platform/lanl/tlcc/debug-panasas
@@ -16,6 +16,7 @@ enable_mpi_cxx_seek=yes
 enable_cxx_exceptions=yes
 enable_ft_thread=no
 enable_per_user_config_files=no
+enable_ptmalloc2_internal=yes
 enable_mca_no_build=crs,filem,routed-linear,snapc,pml-dr,pml-crcp2,pml-crcpw,pml-v,pml-example,crcp,pml-cm,btl-tcp
 enable_contrib_no_build=libnbc,vt
 with_slurm=yes
diff --git a/contrib/platform/lanl/tlcc/optimized-nopanasas b/contrib/platform/lanl/tlcc/optimized-nopanasas
index 9a3f010805..6a504cef04 100644
--- a/contrib/platform/lanl/tlcc/optimized-nopanasas
+++ b/contrib/platform/lanl/tlcc/optimized-nopanasas
@@ -16,6 +16,7 @@ enable_mpi_cxx_seek=yes
 enable_cxx_exceptions=no
 enable_ft_thread=no
 enable_per_user_config_files=no
+enable_ptmalloc2_internal=yes
 enable_mca_no_build=crs,filem,routed-linear,snapc,pml-dr,pml-crcp2,pml-crcpw,pml-v,pml-example,crcp,pml-cm,btl-tcp
 enable_contrib_no_build=libnbc,vt
 with_slurm=yes
diff --git a/contrib/platform/lanl/tlcc/optimized-panasas b/contrib/platform/lanl/tlcc/optimized-panasas
index 724c12359e..efec8c2906 100644
--- a/contrib/platform/lanl/tlcc/optimized-panasas
+++ b/contrib/platform/lanl/tlcc/optimized-panasas
@@ -16,6 +16,7 @@ enable_mpi_cxx_seek=yes
 enable_cxx_exceptions=no
 enable_ft_thread=no
 enable_per_user_config_files=no
+enable_ptmalloc2_internal=yes
 enable_mca_no_build=crs,filem,routed-linear,snapc,pml-dr,pml-crcp2,pml-crcpw,pml-v,pml-example,crcp,pml-cm,btl-tcp
 enable_contrib_no_build=libnbc,vt
 with_slurm=yes