--- old/src/share/vm/gc/shared/genCollectedHeap.cpp	2016-04-06 20:00:06.531722451 +0200
+++ new/src/share/vm/gc/shared/genCollectedHeap.cpp	2016-04-06 20:00:06.387717340 +0200
@@ -167,6 +167,13 @@
          SIZE_FORMAT, total_reserved, alignment);
 
   *heap_rs = Universe::reserve_heap(total_reserved, alignment);
+
+  os::trace_page_sizes("Heap", collector_policy()->min_heap_byte_size(),
+                       total_reserved,
+                       alignment,
+                       heap_rs->base(),
+                       heap_rs->size());
+
   return heap_rs->base();
 }