diff src/share/vm/memory/metablock.cpp @ 8712:3efdfd6ddbf2

8003553: NPG: metaspace objects should be zeroed in constructors Summary: Zero metadata in constructors, not in allocation (and some in constructors) Reviewed-by: jmasa, sspitsyn
author coleenp
date Fri, 08 Mar 2013 11:47:57 -0500
parents eade6b2e4782
children 5939f5953b45
line wrap: on
line diff
--- a/src/share/vm/memory/metablock.cpp	Thu Mar 07 14:06:44 2013 -0500
+++ b/src/share/vm/memory/metablock.cpp	Fri Mar 08 11:47:57 2013 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 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
@@ -65,10 +65,9 @@
   }
 
   Metablock* result = (Metablock*) p;
-
-  // Clear the memory
-  Copy::fill_to_aligned_words((HeapWord*)result, word_size);
 #ifdef ASSERT
+  // Add just to catch missing initializations
+  Copy::fill_to_words((HeapWord*) result, word_size, 0xf1f1f1f1);
   result->set_word_size(word_size);
 #endif
   return result;