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8055091: CollectedHeap::_reserved usage should be cleaned up

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Added an initialization function for _reserved.

Reviewed-by: mgerdin, jwilhelm
This commit is contained in:
Marcus Larsson 2014-09-18 12:45:45 +02:00
parent bc07a22d12
commit f6ab247c45
6 changed files with 21 additions and 24 deletions
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5
hotspot/src/share/vm/gc_interface/collectedHeap.hpp
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@ -85,6 +85,7 @@ class CollectedHeap : public CHeapObj<mtInternal> {
friend class VMStructs;
friend class IsGCActiveMark; // Block structured external access to _is_gc_active
private:
#ifdef ASSERT
static int _fire_out_of_memory_count;
#endif
@ -97,8 +98,9 @@ class CollectedHeap : public CHeapObj<mtInternal> {
// Used in support of ReduceInitialCardMarks; only consulted if COMPILER2 is being used
bool _defer_initial_card_mark;
protected:
MemRegion _reserved;
protected:
BarrierSet* _barrier_set;
bool _is_gc_active;
uint _n_par_threads;
@ -211,6 +213,7 @@ class CollectedHeap : public CHeapObj<mtInternal> {
// Stop any onging concurrent work and prepare for exit.
virtual void stop() {}
void initialize_reserved_region(HeapWord *start, HeapWord *end);
MemRegion reserved_region() const { return _reserved; }
address base() const { return (address)reserved_region().start(); }