src/share/vm/memory/defNewGeneration.cpp

rev 8070 : imported patch gencollected_heap_cleanup

*** 191,201 ****
      _promo_failure_drain_in_progress(false),
      _should_allocate_from_space(false)
  {
    MemRegion cmr((HeapWord*)_virtual_space.low(),
                  (HeapWord*)_virtual_space.high());
!   Universe::heap()->barrier_set()->resize_covered_region(cmr);
  
    _eden_space = new ContiguousSpace();
    _from_space = new ContiguousSpace();
    _to_space   = new ContiguousSpace();
  
--- 191,203 ----
      _promo_failure_drain_in_progress(false),
      _should_allocate_from_space(false)
  {
    MemRegion cmr((HeapWord*)_virtual_space.low(),
                  (HeapWord*)_virtual_space.high());
!   GenCollectedHeap* gch = GenCollectedHeap::heap();
! 
!   gch->barrier_set()->resize_covered_region(cmr);
  
    _eden_space = new ContiguousSpace();
    _from_space = new ContiguousSpace();
    _to_space   = new ContiguousSpace();
  
*** 203,219 ****
      vm_exit_during_initialization("Could not allocate a new gen space");
  
    // Compute the maximum eden and survivor space sizes. These sizes
    // are computed assuming the entire reserved space is committed.
    // These values are exported as performance counters.
!   uintx alignment = GenCollectedHeap::heap()->collector_policy()->space_alignment();
    uintx size = _virtual_space.reserved_size();
    _max_survivor_size = compute_survivor_size(size, alignment);
    _max_eden_size = size - (2*_max_survivor_size);
  
    // allocate the performance counters
!   GenCollectorPolicy* gcp = (GenCollectorPolicy*) GenCollectedHeap::heap()->collector_policy();
  
    // Generation counters -- generation 0, 3 subspaces
    _gen_counters = new GenerationCounters("new", 0, 3,
        gcp->min_young_size(), gcp->max_young_size(), &_virtual_space);
    _gc_counters = new CollectorCounters(policy, 0);
--- 205,221 ----
      vm_exit_during_initialization("Could not allocate a new gen space");
  
    // Compute the maximum eden and survivor space sizes. These sizes
    // are computed assuming the entire reserved space is committed.
    // These values are exported as performance counters.
!   uintx alignment = gch->collector_policy()->space_alignment();
    uintx size = _virtual_space.reserved_size();
    _max_survivor_size = compute_survivor_size(size, alignment);
    _max_eden_size = size - (2*_max_survivor_size);
  
    // allocate the performance counters
!   GenCollectorPolicy* gcp = (GenCollectorPolicy*)gch->collector_policy();
  
    // Generation counters -- generation 0, 3 subspaces
    _gen_counters = new GenerationCounters("new", 0, 3,
        gcp->min_young_size(), gcp->max_young_size(), &_virtual_space);
    _gc_counters = new CollectorCounters(policy, 0);
*** 431,441 ****
      compute_space_boundaries(eden()->used(),
                               SpaceDecorator::Clear,
                               SpaceDecorator::DontMangle);
      MemRegion cmr((HeapWord*)_virtual_space.low(),
                    (HeapWord*)_virtual_space.high());
!     Universe::heap()->barrier_set()->resize_covered_region(cmr);
      if (Verbose && PrintGC) {
        size_t new_size_after  = _virtual_space.committed_size();
        size_t eden_size_after = eden()->capacity();
        size_t survivor_size_after = from()->capacity();
        gclog_or_tty->print("New generation size " SIZE_FORMAT "K->"
--- 433,443 ----
      compute_space_boundaries(eden()->used(),
                               SpaceDecorator::Clear,
                               SpaceDecorator::DontMangle);
      MemRegion cmr((HeapWord*)_virtual_space.low(),
                    (HeapWord*)_virtual_space.high());
!     gch->barrier_set()->resize_covered_region(cmr);
      if (Verbose && PrintGC) {
        size_t new_size_after  = _virtual_space.committed_size();
        size_t eden_size_after = eden()->capacity();
        size_t survivor_size_after = from()->capacity();
        gclog_or_tty->print("New generation size " SIZE_FORMAT "K->"
*** 689,699 ****
      // Inform the next generation that a promotion failure occurred.
      _old_gen->promotion_failure_occurred();
      gc_tracer.report_promotion_failed(_promotion_failed_info);
  
      // Reset the PromotionFailureALot counters.
!     NOT_PRODUCT(Universe::heap()->reset_promotion_should_fail();)
    }
    if (PrintGC && !PrintGCDetails) {
      gch->print_heap_change(gch_prev_used);
    }
    // set new iteration safe limit for the survivor spaces
--- 691,701 ----
      // Inform the next generation that a promotion failure occurred.
      _old_gen->promotion_failure_occurred();
      gc_tracer.report_promotion_failed(_promotion_failed_info);
  
      // Reset the PromotionFailureALot counters.
!     NOT_PRODUCT(gch->reset_promotion_should_fail();)
    }
    if (PrintGC && !PrintGCDetails) {
      gch->print_heap_change(gch_prev_used);
    }
    // set new iteration safe limit for the survivor spaces