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6423256: GC stacks should use a better data structure

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6942771: SEGV in ParScanThreadState::take_from_overflow_stack

Reviewed-by: apetrusenko, ysr, pbk
This commit is contained in:
John Coomes 2010-09-28 15:56:15 -07:00
parent aff36499e7
commit 1cdd538ea5
30 changed files with 718 additions and 402 deletions
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4
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp
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@ -537,8 +537,8 @@ class CMSCollector: public CHeapObj {
// The following array-pair keeps track of mark words
// displaced for accomodating overflow list above.
// This code will likely be revisited under RFE#4922830.
GrowableArray<oop>* _preserved_oop_stack;
GrowableArray<markOop>* _preserved_mark_stack;
Stack<oop> _preserved_oop_stack;
Stack<markOop> _preserved_mark_stack;
int* _hash_seed;