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6910182: CMS: assert(_cursor[j] == _survivor_plab_array[j].end(),"Ctl pt invariant")

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Calculation of the slicing of survivor spaces for MT was incorrect.

Reviewed-by: ysr
This commit is contained in:
Jon Masamitsu 2010-03-03 08:10:41 -08:00
parent a9c71d9169
commit 5fdec09798
1 changed files with 3 additions and 2 deletions
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5
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
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@ -723,8 +723,9 @@ CMSCollector::CMSCollector(ConcurrentMarkSweepGeneration* cmsGen,
// 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);