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6910182: CMS: assert(_cursor[j] == _survivor_plab_array[j].end(),"Ctl pt invariant")
authorjmasa
Wed, 03 Mar 2010 08:10:41 -0800
changeset 5040 529add9be0d5
parent 5039 0ab1816a8c6d
child 5043 df4fadccc378
child 5076 8b74a4b60b31
6910182: CMS: assert(_cursor[j] == _survivor_plab_array[j].end(),"Ctl pt invariant") Summary: Calculation of the slicing of survivor spaces for MT was incorrect. Reviewed-by: ysr
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp file | annotate | diff | comparison | revisions 
--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Tue Mar 02 13:59:37 2010 -0800
+++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Wed Mar 03 08:10:41 2010 -0800
@@ -723,8 +723,9 @@
 
   // Support for parallelizing survivor space rescan
   if (CMSParallelRemarkEnabled && CMSParallelSurvivorRemarkEnabled) {
-    size_t max_plab_samples = cp->max_gen0_size()/
-                                ((SurvivorRatio+2)*MinTLABSize);
+    const size_t max_plab_samples =
+      ((DefNewGeneration*)_young_gen)->max_survivor_size()/MinTLABSize;
+
     _survivor_plab_array  = NEW_C_HEAP_ARRAY(ChunkArray, ParallelGCThreads);
     _survivor_chunk_array = NEW_C_HEAP_ARRAY(HeapWord*, 2*max_plab_samples);
     _cursor               = NEW_C_HEAP_ARRAY(size_t, ParallelGCThreads);
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