src/share/vm/memory/defNewGeneration.cpp

rev 8070 : imported patch gencollected_heap_cleanup

@@ -191,11 +191,13 @@
     _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);
+  GenCollectedHeap* gch = GenCollectedHeap::heap();
+
+  gch->barrier_set()->resize_covered_region(cmr);
 
   _eden_space = new ContiguousSpace();
   _from_space = new ContiguousSpace();
   _to_space   = new ContiguousSpace();
 

@@ -203,17 +205,17 @@
     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 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*) GenCollectedHeap::heap()->collector_policy();
+  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);

@@ -431,11 +433,11 @@
     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);
+    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->"

@@ -689,11 +691,11 @@
     // 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();)
+    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