1788   _expand_heap_after_alloc_failure(true),
1789   _surviving_young_words(NULL),
1790   _old_marking_cycles_started(0),
1791   _old_marking_cycles_completed(0),
1792   _concurrent_cycle_started(false),
1793   _heap_summary_sent(false),
1794   _in_cset_fast_test(),
1795   _dirty_cards_region_list(NULL),
1796   _worker_cset_start_region(NULL),
1797   _worker_cset_start_region_time_stamp(NULL),
1798   _gc_timer_stw(new (ResourceObj::C_HEAP, mtGC) STWGCTimer()),
1799   _gc_timer_cm(new (ResourceObj::C_HEAP, mtGC) ConcurrentGCTimer()),
1800   _gc_tracer_stw(new (ResourceObj::C_HEAP, mtGC) G1NewTracer()),
1801   _gc_tracer_cm(new (ResourceObj::C_HEAP, mtGC) G1OldTracer()) {
1802 
1803   _g1h = this;
1804   if (_process_strong_tasks == NULL || !_process_strong_tasks->valid()) {
1805     vm_exit_during_initialization("Failed necessary allocation.");
1806   }
1807 
1808   _allocator = G1Allocator::create_allocator(_g1h);
1809   _humongous_object_threshold_in_words = HeapRegion::GrainWords / 2;
1810 
1811   int n_queues = MAX2((int)ParallelGCThreads, 1);
1812   _task_queues = new RefToScanQueueSet(n_queues);
1813 
1814   uint n_rem_sets = HeapRegionRemSet::num_par_rem_sets();
1815   assert(n_rem_sets > 0, "Invariant.");
1816 
1817   _worker_cset_start_region = NEW_C_HEAP_ARRAY(HeapRegion*, n_queues, mtGC);
1818   _worker_cset_start_region_time_stamp = NEW_C_HEAP_ARRAY(uint, n_queues, mtGC);
1819   _evacuation_failed_info_array = NEW_C_HEAP_ARRAY(EvacuationFailedInfo, n_queues, mtGC);
1820 
1821   for (int i = 0; i < n_queues; i++) {
1822     RefToScanQueue* q = new RefToScanQueue();
1823     q->initialize();
1824     _task_queues->register_queue(i, q);
1825     ::new (&_evacuation_failed_info_array[i]) EvacuationFailedInfo();
1826   }
1827   clear_cset_start_regions();
1828 

1788   _expand_heap_after_alloc_failure(true),
1789   _surviving_young_words(NULL),
1790   _old_marking_cycles_started(0),
1791   _old_marking_cycles_completed(0),
1792   _concurrent_cycle_started(false),
1793   _heap_summary_sent(false),
1794   _in_cset_fast_test(),
1795   _dirty_cards_region_list(NULL),
1796   _worker_cset_start_region(NULL),
1797   _worker_cset_start_region_time_stamp(NULL),
1798   _gc_timer_stw(new (ResourceObj::C_HEAP, mtGC) STWGCTimer()),
1799   _gc_timer_cm(new (ResourceObj::C_HEAP, mtGC) ConcurrentGCTimer()),
1800   _gc_tracer_stw(new (ResourceObj::C_HEAP, mtGC) G1NewTracer()),
1801   _gc_tracer_cm(new (ResourceObj::C_HEAP, mtGC) G1OldTracer()) {
1802 
1803   _g1h = this;
1804   if (_process_strong_tasks == NULL || !_process_strong_tasks->valid()) {
1805     vm_exit_during_initialization("Failed necessary allocation.");
1806   }
1807 
1808   _allocator = AllocRegionManager::create_allocator(_g1h);
1809   _humongous_object_threshold_in_words = HeapRegion::GrainWords / 2;
1810 
1811   int n_queues = MAX2((int)ParallelGCThreads, 1);
1812   _task_queues = new RefToScanQueueSet(n_queues);
1813 
1814   uint n_rem_sets = HeapRegionRemSet::num_par_rem_sets();
1815   assert(n_rem_sets > 0, "Invariant.");
1816 
1817   _worker_cset_start_region = NEW_C_HEAP_ARRAY(HeapRegion*, n_queues, mtGC);
1818   _worker_cset_start_region_time_stamp = NEW_C_HEAP_ARRAY(uint, n_queues, mtGC);
1819   _evacuation_failed_info_array = NEW_C_HEAP_ARRAY(EvacuationFailedInfo, n_queues, mtGC);
1820 
1821   for (int i = 0; i < n_queues; i++) {
1822     RefToScanQueue* q = new RefToScanQueue();
1823     q->initialize();
1824     _task_queues->register_queue(i, q);
1825     ::new (&_evacuation_failed_info_array[i]) EvacuationFailedInfo();
1826   }
1827   clear_cset_start_regions();
1828