--- old/src/share/vm/memory/collectorPolicy.cpp	2014-10-17 15:34:50.000000000 +0200
+++ new/src/share/vm/memory/collectorPolicy.cpp	2014-10-17 15:34:50.000000000 +0200
@@ -191,11 +191,12 @@
     _min_young_size(0),
     _initial_young_size(0),
     _max_young_size(0),
-    _gen_alignment(0),
     _min_old_size(0),
     _initial_old_size(0),
     _max_old_size(0),
-    _generations(NULL)
+    _gen_alignment(0),
+    _young_gen_spec(NULL),
+    _old_gen_spec(NULL)
 {}
 
 size_t GenCollectorPolicy::scale_by_NewRatio_aligned(size_t base_size) {
@@ -913,20 +914,14 @@
 }
 
 void MarkSweepPolicy::initialize_generations() {
-  _generations = NEW_C_HEAP_ARRAY3(GenerationSpecPtr, number_of_generations(), mtGC, CURRENT_PC,
-    AllocFailStrategy::RETURN_NULL);
-  if (_generations == NULL) {
-    vm_exit_during_initialization("Unable to allocate gen spec");
-  }
-
   if (UseParNewGC) {
-    _generations[0] = new GenerationSpec(Generation::ParNew, _initial_young_size, _max_young_size);
+    _young_gen_spec = new GenerationSpec(Generation::ParNew, _initial_young_size, _max_young_size, _gen_alignment);
   } else {
-    _generations[0] = new GenerationSpec(Generation::DefNew, _initial_young_size, _max_young_size);
+    _young_gen_spec = new GenerationSpec(Generation::DefNew, _initial_young_size, _max_young_size, _gen_alignment);
   }
-  _generations[1] = new GenerationSpec(Generation::MarkSweepCompact, _initial_old_size, _max_old_size);
+  _old_gen_spec = new GenerationSpec(Generation::MarkSweepCompact, _initial_old_size, _max_old_size, _gen_alignment);
 
-  if (_generations[0] == NULL || _generations[1] == NULL) {
+  if (_young_gen_spec == NULL || _old_gen_spec == NULL) {
     vm_exit_during_initialization("Unable to allocate gen spec");
   }
 }