Mercurial > hg > truffle
comparison src/share/vm/gc_implementation/g1/concurrentMark.cpp @ 12229:ff218fdb30ba
8021823: G1: Concurrent marking crashes with -XX:ObjectAlignmentInBytes>=32 in 64bit VMs
Summary: Correctly calculate the initialization value for the shift between object start and bitmap bit in the G1 mark bitmaps.
Reviewed-by: tonyp
| author | tschatzl |
|---|---|
| date | Wed, 11 Sep 2013 10:19:16 +0200 |
| parents | 5888334c9c24 |
| children | 190899198332 |
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| 12228:f7bc2ab5f659 | 12229:ff218fdb30ba |
|---|---|
| 479 return MAX2((n_par_threads + 2) / 4, 1U); | 479 return MAX2((n_par_threads + 2) / 4, 1U); |
| 480 } | 480 } |
| 481 | 481 |
| 482 ConcurrentMark::ConcurrentMark(G1CollectedHeap* g1h, ReservedSpace heap_rs) : | 482 ConcurrentMark::ConcurrentMark(G1CollectedHeap* g1h, ReservedSpace heap_rs) : |
| 483 _g1h(g1h), | 483 _g1h(g1h), |
| 484 _markBitMap1(MinObjAlignment - 1), | 484 _markBitMap1(log2_intptr(MinObjAlignment)), |
| 485 _markBitMap2(MinObjAlignment - 1), | 485 _markBitMap2(log2_intptr(MinObjAlignment)), |
| 486 | |
| 487 _parallel_marking_threads(0), | 486 _parallel_marking_threads(0), |
| 488 _max_parallel_marking_threads(0), | 487 _max_parallel_marking_threads(0), |
| 489 _sleep_factor(0.0), | 488 _sleep_factor(0.0), |
| 490 _marking_task_overhead(1.0), | 489 _marking_task_overhead(1.0), |
| 491 _cleanup_sleep_factor(0.0), | 490 _cleanup_sleep_factor(0.0), |