src/hotspot/share/gc/parallel/psOldGen.cpp

rev 52004 : webrev.02

@@ -25,10 +25,11 @@
 #include "precompiled.hpp"
 #include "gc/parallel/objectStartArray.inline.hpp"
 #include "gc/parallel/parallelScavengeHeap.hpp"
 #include "gc/parallel/psAdaptiveSizePolicy.hpp"
 #include "gc/parallel/psCardTable.hpp"
+#include "gc/parallel/psFileBackedVirtualspace.hpp"
 #include "gc/parallel/psMarkSweepDecorator.hpp"
 #include "gc/parallel/psOldGen.hpp"
 #include "gc/shared/cardTableBarrierSet.hpp"
 #include "gc/shared/gcLocker.hpp"
 #include "gc/shared/spaceDecorator.hpp"

@@ -69,11 +70,18 @@
   initialize_performance_counters(perf_data_name, level);
 }
 
 void PSOldGen::initialize_virtual_space(ReservedSpace rs, size_t alignment) {
 
+  if(AllocateOldGenAt != NULL) {
+    _virtual_space = new PSFileBackedVirtualSpace(rs, alignment, AllocateOldGenAt);
+    if (!(static_cast <PSFileBackedVirtualSpace*>(_virtual_space))->initialize()) {
+      vm_exit_during_initialization("Could not map space for PSOldGen at given AllocateOldGenAt path");
+    }
+  } else {
   _virtual_space = new PSVirtualSpace(rs, alignment);
+  }
   if (!_virtual_space->expand_by(_init_gen_size)) {
     vm_exit_during_initialization("Could not reserve enough space for "
                                   "object heap");
   }
 }