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diff src/share/vm/gc_implementation/g1/heapRegion.hpp @ 1666:5cbac8938c4c

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6956639: G1: assert(cached_ptr != card_ptr) failed: shouldn't be, concurrentG1Refine.cpp:307 Summary: During concurrent refinment, filter cards in young regions after it has been determined that the region has been allocated from and the young type of the region has been set. Reviewed-by: iveresov, tonyp, jcoomes
author johnc
date Mon, 19 Jul 2010 11:06:34 -0700
parents c18cbe5936b8
children 72a161e62cc4
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/g1/heapRegion.hpp	Fri Jul 16 21:33:21 2010 -0700
+++ b/src/share/vm/gc_implementation/g1/heapRegion.hpp	Mon Jul 19 11:06:34 2010 -0700
@@ -252,7 +252,7 @@
                                 // survivor
   };
 
-  YoungType _young_type;
+  volatile YoungType _young_type;
   int  _young_index_in_cset;
   SurvRateGroup* _surv_rate_group;
   int  _age_index;
@@ -726,9 +726,12 @@
   HeapWord*
   object_iterate_mem_careful(MemRegion mr, ObjectClosure* cl);
 
+  // In this version - if filter_young is true and the region
+  // is a young region then we skip the iteration.
   HeapWord*
   oops_on_card_seq_iterate_careful(MemRegion mr,
-                                   FilterOutOfRegionClosure* cl);
+                                   FilterOutOfRegionClosure* cl,
+                                   bool filter_young);
 
   // The region "mr" is entirely in "this", and starts and ends at block
   // boundaries. The caller declares that all the contained blocks are