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diff src/share/vm/gc_interface/collectedHeap.inline.hpp @ 3892:baf763f388e6

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7059037: Use BIS for zeroing on T4 Summary: Use BIS for zeroing new allocated big (2Kb and more) objects and arrays. Reviewed-by: never, twisti, ysr
author kvn
date Fri, 26 Aug 2011 08:52:22 -0700
parents c9ca3f51cf41
children f08d439fab8c
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--- a/src/share/vm/gc_interface/collectedHeap.inline.hpp	Thu Aug 25 20:29:30 2011 -0700
+++ b/src/share/vm/gc_interface/collectedHeap.inline.hpp	Fri Aug 26 08:52:22 2011 -0700
@@ -287,7 +287,10 @@
   assert(size >= 0, "int won't convert to size_t");
   HeapWord* obj = common_permanent_mem_allocate_init(size, CHECK_NULL);
   post_allocation_setup_no_klass_install(klass, obj, size);
-  NOT_PRODUCT(Universe::heap()->check_for_bad_heap_word_value(obj, size));
+#ifndef PRODUCT
+  const size_t hs = oopDesc::header_size();
+  Universe::heap()->check_for_bad_heap_word_value(obj+hs, size-hs);
+#endif
   return (oop)obj;
 }