src/share/vm/gc/g1/g1CollectedHeap.cpp

rev 11010 : 8155082: Refactor mutator region restriction
Reviewed-by:

*** 5325,5342 ****
  HeapRegion* G1CollectedHeap::new_mutator_alloc_region(size_t word_size,
                                                        bool force) {
    assert_heap_locked_or_at_safepoint(true /* should_be_vm_thread */);
    assert(!force || g1_policy()->can_expand_young_list(),
           "if force is true we should be able to expand the young list");
!   bool young_list_full = g1_policy()->is_young_list_full();
!   if (force || !young_list_full) {
      HeapRegion* new_alloc_region = new_region(word_size,
                                                false /* is_old */,
                                                false /* do_expand */);
      if (new_alloc_region != NULL) {
        set_region_short_lived_locked(new_alloc_region);
!       _hr_printer.alloc(new_alloc_region, young_list_full);
        _verifier->check_bitmaps("Mutator Region Allocation", new_alloc_region);
        return new_alloc_region;
      }
    }
    return NULL;
--- 5325,5342 ----
  HeapRegion* G1CollectedHeap::new_mutator_alloc_region(size_t word_size,
                                                        bool force) {
    assert_heap_locked_or_at_safepoint(true /* should_be_vm_thread */);
    assert(!force || g1_policy()->can_expand_young_list(),
           "if force is true we should be able to expand the young list");
!   bool should_allocate = g1_policy()->should_allocate_mutator_region();
!   if (force || should_allocate) {
      HeapRegion* new_alloc_region = new_region(word_size,
                                                false /* is_old */,
                                                false /* do_expand */);
      if (new_alloc_region != NULL) {
        set_region_short_lived_locked(new_alloc_region);
!       _hr_printer.alloc(new_alloc_region, !should_allocate);
        _verifier->check_bitmaps("Mutator Region Allocation", new_alloc_region);
        return new_alloc_region;
      }
    }
    return NULL;