src/hotspot/share/memory/metaspace.cpp

@@ -1275,16 +1275,14 @@
 
   if (result == NULL) {
     tracer()->report_metaspace_allocation_failure(loader_data, word_size, type, mdtype);
 
     // Allocation failed.
-    if (is_init_completed() && !(DumpSharedSpaces && THREAD->is_VM_thread())) {
+    if (is_init_completed()) {
       // Only start a GC if the bootstrapping has completed.
-      // Also, we cannot GC if we are at the end of the CDS dumping stage which runs inside
-      // the VM thread.
-
-      // Try to clean out some memory and retry.
+      // Try to clean out some heap memory and retry. This can prevent premature
+      // expansion of the metaspace.
       result = Universe::heap()->satisfy_failed_metadata_allocation(loader_data, word_size, mdtype);
     }
   }
 
   if (result == NULL) {