create separate InitMessage for MemoryManager that can be called after communicator setup

Grid/util/Init.cc

@@ -377,9 +377,7 @@ void Grid_init(int *argc,char ***argv)
     std::cout << GridLogMessage << "Mapped stencil comms buffers as MAP_HUGETLB "<<std::endl;
   }
 
-#ifndef GRID_UVM
-  std::cout << GridLogMessage << "MemoryManager Cache "<< MemoryManager::DeviceMaxBytes <<" bytes "<<std::endl;
-#endif
+  MemoryManager::InitMessage();
 
   if( GridCmdOptionExists(*argv,*argv+*argc,"--debug-mem") ){
     MemoryProfiler::debug = true;