src/share/vm/gc/shared/genCollectedHeap.cpp

rev 8615 : CMSParallelFullGC: Parallel version of CMS Full GC.

@@ -662,10 +662,15 @@
     // Verify that the code cache contents are not subject to
     // movement by a scavenging collection.
     DEBUG_ONLY(CodeBlobToOopClosure assert_code_is_non_scavengable(&assert_is_non_scavengable_closure, !CodeBlobToOopClosure::FixRelocations));
     DEBUG_ONLY(CodeCache::asserted_non_scavengable_nmethods_do(&assert_code_is_non_scavengable));
   }
+
+  if (CMSParallelFullGC && strong_roots == &MarkSweep::follow_root_closure) {
+    // Clear the mark stack on CMS full GC.
+    MarkSweep::follow_stack();
+  }
 }
 
 void GenCollectedHeap::gen_process_roots(StrongRootsScope* scope,
                                          GenerationType type,
                                          bool younger_gens_as_roots,