--- a/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp	Mon Apr 11 08:51:53 2016 +0200
+++ b/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp	Tue Apr 12 07:17:44 2016 +0200
@@ -167,6 +167,14 @@
          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();
 }