--- old/src/share/vm/gc/g1/g1PageBasedVirtualSpace.hpp	2017-06-30 11:28:11.347987184 +0200
+++ new/src/share/vm/gc/g1/g1PageBasedVirtualSpace.hpp	2017-06-30 11:28:11.183982058 +0200
@@ -100,7 +100,7 @@
   // Is the given page index the first after last page?
   bool is_after_last_page(size_t index) const;
   // Is the last page only partially covered by this space?
-  bool is_last_page_partial() const { return !is_ptr_aligned(_high_boundary, _page_size); }
+  bool is_last_page_partial() const { return !is_aligned(_high_boundary, _page_size); }
   // Returns the end address of the given page bounded by the reserved space.
   char* bounded_end_addr(size_t end_page) const;