18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/g1CollectedHeap.hpp"
  27 #include "gc/g1/g1ConcurrentMarkBitMap.inline.hpp"
  28 #include "gc/g1/g1FullCollector.hpp"
  29 #include "gc/g1/g1FullGCCompactionPoint.hpp"
  30 #include "gc/g1/g1FullGCMarker.hpp"
  31 #include "gc/g1/g1FullGCOopClosures.inline.hpp"
  32 #include "gc/g1/g1FullGCPrepareTask.hpp"
  33 #include "gc/g1/g1HotCardCache.hpp"
  34 #include "gc/g1/heapRegion.inline.hpp"
  35 #include "gc/shared/gcTraceTime.inline.hpp"
  36 #include "gc/shared/referenceProcessor.hpp"
  37 #include "logging/log.hpp"

  38 #include "utilities/ticks.inline.hpp"
  39 
  40 bool G1FullGCPrepareTask::G1CalculatePointersClosure::do_heap_region(HeapRegion* hr) {
  41   if (hr->is_humongous()) {
  42     oop obj = oop(hr->humongous_start_region()->bottom());
  43     if (_bitmap->is_marked(obj)) {
  44       if (hr->is_starts_humongous()) {
  45         obj->forward_to(obj);
  46       }
  47     } else {
  48       free_humongous_region(hr);
  49     }
  50   } else if (!hr->is_pinned()) {
  51     prepare_for_compaction(hr);
  52   }
  53 
  54   // Reset data structures not valid after Full GC.
  55   reset_region_metadata(hr);
  56 
  57   return false;

  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/g1CollectedHeap.hpp"
  27 #include "gc/g1/g1ConcurrentMarkBitMap.inline.hpp"
  28 #include "gc/g1/g1FullCollector.hpp"
  29 #include "gc/g1/g1FullGCCompactionPoint.hpp"
  30 #include "gc/g1/g1FullGCMarker.hpp"
  31 #include "gc/g1/g1FullGCOopClosures.inline.hpp"
  32 #include "gc/g1/g1FullGCPrepareTask.hpp"
  33 #include "gc/g1/g1HotCardCache.hpp"
  34 #include "gc/g1/heapRegion.inline.hpp"
  35 #include "gc/shared/gcTraceTime.inline.hpp"
  36 #include "gc/shared/referenceProcessor.hpp"
  37 #include "logging/log.hpp"
  38 #include "oops/oop.inline.hpp"
  39 #include "utilities/ticks.inline.hpp"
  40 
  41 bool G1FullGCPrepareTask::G1CalculatePointersClosure::do_heap_region(HeapRegion* hr) {
  42   if (hr->is_humongous()) {
  43     oop obj = oop(hr->humongous_start_region()->bottom());
  44     if (_bitmap->is_marked(obj)) {
  45       if (hr->is_starts_humongous()) {
  46         obj->forward_to(obj);
  47       }
  48     } else {
  49       free_humongous_region(hr);
  50     }
  51   } else if (!hr->is_pinned()) {
  52     prepare_for_compaction(hr);
  53   }
  54 
  55   // Reset data structures not valid after Full GC.
  56   reset_region_metadata(hr);
  57 
  58   return false;