--- old/src/share/vm/gc/cms/parNewGeneration.cpp 2016-03-01 19:05:29.304721746 +0100 +++ new/src/share/vm/gc/cms/parNewGeneration.cpp 2016-03-01 19:05:29.214719045 +0100 @@ -615,7 +615,7 @@ : DefNewGeneration(rs, initial_byte_size, "PCopy"), _overflow_list(NULL), _is_alive_closure(this), - _plab_stats(YoungPLABSize, PLABWeight) + _plab_stats("Young", YoungPLABSize, PLABWeight) { NOT_PRODUCT(_overflow_counter = ParGCWorkQueueOverflowInterval;) NOT_PRODUCT(_num_par_pushes = 0;) @@ -1008,9 +1008,7 @@ from()->set_concurrent_iteration_safe_limit(from()->top()); to()->set_concurrent_iteration_safe_limit(to()->top()); - if (ResizePLAB) { - plab_stats()->adjust_desired_plab_sz(); - } + plab_stats()->adjust_desired_plab_sz(); TASKQUEUE_STATS_ONLY(thread_state_set.print_termination_stats()); TASKQUEUE_STATS_ONLY(thread_state_set.print_taskqueue_stats());