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diff src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp @ 2037:b03260081e9b

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7006113: G1: Initialize ReferenceProcessor::_is_alive_non_header field Summary: Initialize the _is_alive_non_header field of G1's reference processor with an instance of the G1CMIsAliveClosure. This will stop adding reference objects with live referents to the discovered reference lists unnecessarily. Reviewed-by: tonyp, ysr, jwilhelm, brutisso
author johnc
date Fri, 17 Dec 2010 11:26:53 -0800
parents fb712ff22571
children 74ee0db180fa
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line diff
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Thu Dec 16 09:14:34 2010 -0800
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Fri Dec 17 11:26:53 2010 -0800
@@ -1768,6 +1768,7 @@
   _g1_policy(policy_),
   _dirty_card_queue_set(false),
   _into_cset_dirty_card_queue_set(false),
+  _is_alive_closure(this),
   _ref_processor(NULL),
   _process_strong_tasks(new SubTasksDone(G1H_PS_NumElements)),
   _bot_shared(NULL),
@@ -2061,7 +2062,8 @@
                                          mr,    // span
                                          false, // Reference discovery is not atomic
                                          true,  // mt_discovery
-                                         NULL,  // is alive closure: need to fill this in for efficiency
+                                         &_is_alive_closure, // is alive closure
+                                                             // for efficiency
                                          ParallelGCThreads,
                                          ParallelRefProcEnabled,
                                          true); // Setting next fields of discovered