--- a/src/hotspot/share/memory/metaspace/chunkManager.cpp	Thu Sep 19 16:28:40 2019 +0200
+++ b/src/hotspot/share/memory/metaspace/chunkManager.cpp	Wed Sep 25 12:40:57 2019 +0200
@@ -425,6 +425,19 @@
   _chunkmanager_nonclass = cm;
 }
 
+ChunkManager* ChunkManager::_chunkmanager_microclds_class = NULL;
+ChunkManager* ChunkManager::_chunkmanager_microclds_nonclass = NULL;
+
+void ChunkManager::set_chunkmanager_microclds_class(ChunkManager* cm) {
+  assert(_chunkmanager_microclds_class == NULL, "Sanity");
+  _chunkmanager_microclds_class = cm;
+}
+
+void ChunkManager::set_chunkmanager_microclds_nonclass(ChunkManager* cm) {
+  assert(_chunkmanager_microclds_nonclass == NULL, "Sanity");
+  _chunkmanager_microclds_nonclass = cm;
+}
+
 
 // Update statistics.
 void ChunkManager::add_to_statistics(cm_stats_t* out) const {