--- a/hotspot/src/share/vm/runtime/arguments.cpp	Tue Feb 18 09:54:24 2014 -0500
+++ b/hotspot/src/share/vm/runtime/arguments.cpp	Wed Feb 19 02:58:13 2014 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2014, 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
@@ -1657,6 +1657,9 @@
   return result;
 }
 
+// Use static initialization to get the default before parsing
+static const uintx DefaultHeapBaseMinAddress = HeapBaseMinAddress;
+
 void Arguments::set_heap_size() {
   if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) {
     // Deprecated flag
@@ -1688,6 +1691,23 @@
     if (UseCompressedOops) {
       // Limit the heap size to the maximum possible when using compressed oops
       julong max_coop_heap = (julong)max_heap_for_compressed_oops();
+
+      // HeapBaseMinAddress can be greater than default but not less than.
+      if (!FLAG_IS_DEFAULT(HeapBaseMinAddress)) {
+        if (HeapBaseMinAddress < DefaultHeapBaseMinAddress) {
+          if (PrintMiscellaneous && Verbose) {  // matches compressed oops printing flags
+            jio_fprintf(defaultStream::error_stream(),
+                        "HeapBaseMinAddress must be at least " UINTX_FORMAT
+                        " (" UINTX_FORMAT "G) which is greater than value given "
+                        UINTX_FORMAT "\n",
+                        DefaultHeapBaseMinAddress,
+                        DefaultHeapBaseMinAddress/G,
+                        HeapBaseMinAddress);
+          }
+          FLAG_SET_ERGO(uintx, HeapBaseMinAddress, DefaultHeapBaseMinAddress);
+        }
+      }
+
       if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) {
         // Heap should be above HeapBaseMinAddress to get zero based compressed oops
         // but it should be not less than default MaxHeapSize.