Summary: Reuse the parallel reference processing oop closures during serial reference processing.
Reviewed-by: brutisso

Summary: Flush any deferred card mark before a Java thread exits.
Reviewed-by: brutisso, jmasa

Summary: Fix size checks in assert and corrected some print formats. Also reviewed by vitalyd@gmail.com.
Reviewed-by: coleenp, sspitsyn

Summary: Set ConcGCThreads to the calculated number of marking threads.
Reviewed-by: jmasa, ysr

Summary: Check that the concurrent marking worker gang exists in ConcurrentMark::print_worker_threads_on(). Changes were also reviewed by Vitaly Davidovich <vitalyd@gmail.com>.
Reviewed-by: brutisso

Summary: When calculating live object regions, make sure that the alignment reserve, at the end of a TLAB, is excluded.
Reviewed-by: jmasa, brutisso

Summary: Heap size will be set to allow for OldSize to fit. Also reviewed by vitalyd@gmail.com
Reviewed-by: ehelin, jmasa

Reviewed-by: jcoomes