diff --git a/ompi/mca/rcache/rb/rcache_rb.c b/ompi/mca/rcache/rb/rcache_rb.c
index b96ac1b888..dda02e34f9 100644
--- a/ompi/mca/rcache/rb/rcache_rb.c
+++ b/ompi/mca/rcache/rb/rcache_rb.c
@@ -30,13 +30,14 @@ void mca_rcache_rb_module_init( mca_rcache_rb_module_t* rcache ) {
     rcache->base.rcache_insert = mca_rcache_rb_insert; 
     rcache->base.rcache_delete = mca_rcache_rb_delete; 
     rcache->base.rcache_finalize = mca_rcache_rb_finalize; 
-    
+    mca_rcache_rb_tree_init(rcache);
 }
 int mca_rcache_rb_find (
                         struct mca_rcache_base_module_t* rcache, 
                         void* addr, 
                         size_t size, 
-                        ompi_pointer_array_t* regs
+                        ompi_pointer_array_t* regs, 
+                        uint32_t *cnt
                         ){ 
     
     int rc; 
@@ -86,6 +87,7 @@ int mca_rcache_rb_delete (
     if(OMPI_SUCCESS != rc) { 
         return rc; 
     }
+    reg->flags = 0; 
     return mca_rcache_rb_tree_delete((mca_rcache_rb_module_t*)rcache, reg );
     
 }
diff --git a/ompi/mca/rcache/rb/rcache_rb.h b/ompi/mca/rcache/rb/rcache_rb.h
index c15f81e22a..338703940a 100644
--- a/ompi/mca/rcache/rb/rcache_rb.h
+++ b/ompi/mca/rcache/rb/rcache_rb.h
@@ -40,14 +40,15 @@ struct mca_rcache_rb_module_t {
 typedef struct mca_rcache_rb_module_t mca_rcache_rb_module_t; 
 
 typedef mca_rcache_base_component_t mca_rcache_rb_component_t; 
-
+OMPI_COMP_EXPORT extern mca_rcache_rb_component_t mca_rcache_rb_component;
 
 
 int mca_rcache_rb_find (
                         mca_rcache_base_module_t* rcache, 
                         void* addr, 
                         size_t size, 
-                        ompi_pointer_array_t* regs
+                        ompi_pointer_array_t* regs, 
+                        uint32_t *cnt
                         );
 
 int mca_rcache_rb_insert ( 
@@ -74,5 +75,6 @@ void mca_rcache_rb_finalize(
 
 
 
-#endif /* MCA_RCACHE_H */
+#endif /* MCA_RCACHE_RB_H */
+
 
diff --git a/ompi/mca/rcache/rb/rcache_rb_component.c b/ompi/mca/rcache/rb/rcache_rb_component.c
index 1e6b8f7a2f..0267ec205a 100644
--- a/ompi/mca/rcache/rb/rcache_rb_component.c
+++ b/ompi/mca/rcache/rb/rcache_rb_component.c
@@ -11,7 +11,7 @@ mca_rcache_rb_component_t mca_rcache_rb_component = {
            implies a specific MCA version) */
         
         MCA_RCACHE_BASE_VERSION_1_0_0,
-        "rcache", /* MCA component name */
+        "rb", /* MCA component name */
         OMPI_MAJOR_VERSION,  /* MCA component major version */
         OMPI_MINOR_VERSION,  /* MCA component minor version */
         OMPI_RELEASE_VERSION,  /* MCA component release version */
diff --git a/ompi/mca/rcache/rb/rcache_rb_tree.c b/ompi/mca/rcache/rb/rcache_rb_tree.c
index 2dff06770d..94f866362d 100644
--- a/ompi/mca/rcache/rb/rcache_rb_tree.c
+++ b/ompi/mca/rcache/rb/rcache_rb_tree.c
@@ -22,6 +22,11 @@
 #include "rcache_rb_tree.h"
 
 
+OBJ_CLASS_INSTANCE(mca_rcache_rb_tree_item_t, opal_list_item_t, NULL, NULL); 
+
+int mca_rcache_rb_tree_init(mca_rcache_rb_module_t* rcache) { 
+    OBJ_CONSTRUCT(&rcache->rb_tree, ompi_rb_tree_t);
+}
 /**
  * Searches the rcache to see if it has allocated the memory that is passed in.
  * If so it returns an array of rcaches the memory is registered with.
diff --git a/ompi/mca/rcache/rb/rcache_rb_tree.h b/ompi/mca/rcache/rb/rcache_rb_tree.h
index f5f1e49592..2de657415a 100644
--- a/ompi/mca/rcache/rb/rcache_rb_tree.h
+++ b/ompi/mca/rcache/rb/rcache_rb_tree.h
@@ -52,6 +52,12 @@ typedef struct mca_rcache_rb_tree_item_t mca_rcache_rb_tree_item_t;
 
 OBJ_CLASS_DECLARATION(mca_rcache_rb_tree_item_t);
 
+
+/*
+ * initialize the rb tree
+ */
+int mca_rcache_rb_tree_init(mca_rcache_rb_module_t* rcache); 
+
 /**
  *  Returns the item in the rb tree  
  */
@@ -76,5 +82,6 @@ int mca_rcache_rb_tree_delete(
                               mca_mpool_base_registration_t* reg
                               ); 
 
+
 #endif /* MCA_RCACHE_RB_TREE_H */
 
diff --git a/ompi/mca/rcache/rcache.h b/ompi/mca/rcache/rcache.h
index 1f0a87a6ea..7e6797249f 100644
--- a/ompi/mca/rcache/rcache.h
+++ b/ompi/mca/rcache/rcache.h
@@ -36,7 +36,8 @@ typedef int (*mca_rcache_base_module_find_fn_t) (
                                             struct mca_rcache_base_module_t* rcache, 
                                             void* addr, 
                                             size_t size, 
-                                            ompi_pointer_array_t *regs
+                                            ompi_pointer_array_t *regs,
+                                            uint32_t *cnt
                                             );
 
 typedef int (*mca_rcache_base_module_insert_fn_t)( 
@@ -91,6 +92,8 @@ typedef struct mca_rcache_base_module_t mca_rcache_base_module_t;
  
 
 
+
+
 /**
  * Macro for use in components that are of type rcache v1.0.0
  */