--- a/src/share/vm/memory/generation.hpp	Tue Mar 11 15:34:06 2014 +0100
+++ b/src/share/vm/memory/generation.hpp	Wed Mar 12 13:30:08 2014 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -289,7 +289,7 @@
 
   // These functions return the addresses of the fields that define the
   // boundaries of the contiguous allocation area.  (These fields should be
-  // physicall near to one another.)
+  // physically near to one another.)
   virtual HeapWord** top_addr() const { return NULL; }
   virtual HeapWord** end_addr() const { return NULL; }
 
@@ -299,6 +299,10 @@
     guarantee(false, "Generation doesn't support thread local allocation buffers");
     return 0;
   }
+  virtual size_t tlab_used() const {
+    guarantee(false, "Generation doesn't support thread local allocation buffers");
+    return 0;
+  }
   virtual size_t unsafe_max_tlab_alloc() const {
     guarantee(false, "Generation doesn't support thread local allocation buffers");
     return 0;
@@ -485,7 +489,7 @@
   // General signature...
   virtual void oop_since_save_marks_iterate_v(OopsInGenClosure* cl) = 0;
   // ...and specializations for de-virtualization.  (The general
-  // implemention of the _nv versions call the virtual version.
+  // implementation of the _nv versions call the virtual version.
   // Note that the _nv suffix is not really semantically necessary,
   // but it avoids some not-so-useful warnings on Solaris.)
 #define Generation_SINCE_SAVE_MARKS_DECL(OopClosureType, nv_suffix)             \