--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.cpp	Mon Nov 17 21:32:32 2014 +0100
+++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.cpp	Tue Nov 18 10:23:26 2014 +0100
@@ -134,7 +134,7 @@
     if (_should_terminate) break;
     GCCause::Cause cause = _collector->_full_gc_requested ?
       _collector->_full_gc_cause : GCCause::_cms_concurrent_mark;
-    _collector->collect_in_background(false, cause);
+    _collector->collect_in_background(cause);
   }
   assert(_should_terminate, "just checking");
   // Check that the state of any protocol for synchronization