--- old/src/share/vm/memory/heap.cpp	2015-03-26 11:32:43.265990827 +0100
+++ new/src/share/vm/memory/heap.cpp	2015-03-26 11:32:43.192988735 +0100
@@ -100,8 +100,8 @@
   size_t page_size = os::vm_page_size();
   if (os::can_execute_large_page_memory()) {
     const size_t min_pages = 8;
-    page_size = MIN2(os::page_size_for_region(committed_size, min_pages),
-                     os::page_size_for_region(reserved_size, min_pages));
+    page_size = MIN2(os::page_size_for_region_aligned(committed_size, min_pages),
+                     os::page_size_for_region_aligned(reserved_size, min_pages));
   }
 
   const size_t granularity = os::vm_allocation_granularity();