src/hotspot/share/gc/shared/memAllocator.cpp

@@ -260,11 +260,11 @@
   HeapWord* mem = Universe::heap()->mem_allocate(_word_size, &allocation._overhead_limit_exceeded);
   if (mem == NULL) {
     return mem;
   }
 
-  NOT_PRODUCT(Universe::heap()->check_for_non_bad_heap_word_value(mem, _word_size));
+  //NOT_PRODUCT(Universe::heap()->check_for_non_bad_heap_word_value(mem, _word_size));
   size_t size_in_bytes = _word_size * HeapWordSize;
   _thread->incr_allocated_bytes(size_in_bytes);
 
   return mem;
 }

@@ -339,11 +339,11 @@
 #ifdef ASSERT
     // Skip mangling the space corresponding to the object header to
     // ensure that the returned space is not considered parsable by
     // any concurrent GC thread.
     size_t hdr_size = oopDesc::header_size();
-    Copy::fill_to_words(mem + hdr_size, allocation._allocated_tlab_size - hdr_size, badHeapWordVal);
+    //Copy::fill_to_words(mem + hdr_size, allocation._allocated_tlab_size - hdr_size, badHeapWordVal);
 #endif // ASSERT
   }
 
   tlab.fill(mem, mem + _word_size, allocation._allocated_tlab_size);
   return mem;