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src/hotspot/share/gc/parallel/adjoiningGenerations.hpp
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*** 41,80 ****
// is called for in this class.
class AdjoiningGenerations : public CHeapObj<mtGC> {
friend class VMStructs;
private:
- // The young generation and old generation, respectively
- PSYoungGen* _young_gen;
- PSOldGen* _old_gen;
-
- // The spaces used by the two generations.
- AdjoiningVirtualSpaces _virtual_spaces;
-
// Move boundary up to expand old gen. Checks are made to
// determine if the move can be done with specified limits.
void request_old_gen_expansion(size_t desired_change_in_bytes);
// Move boundary down to expand young gen.
bool request_young_gen_expansion(size_t desired_change_in_bytes);
public:
AdjoiningGenerations(ReservedSpace rs, GenerationSizer* policy, size_t alignment);
// Accessors
PSYoungGen* young_gen() { return _young_gen; }
PSOldGen* old_gen() { return _old_gen; }
! AdjoiningVirtualSpaces* virtual_spaces() { return &_virtual_spaces; }
// Additional space is needed in the old generation. Check
// the available space and attempt to move the boundary if more space
// is needed. The growth is not guaranteed to occur.
void adjust_boundary_for_old_gen_needs(size_t desired_change_in_bytes);
// Similarly for a growth of the young generation.
void adjust_boundary_for_young_gen_needs(size_t eden_size, size_t survivor_size);
// Return the total byte size of the reserved space
// for the adjoining generations.
! size_t reserved_byte_size();
};
-
#endif // SHARE_VM_GC_PARALLEL_ADJOININGGENERATIONS_HPP
--- 41,81 ----
// is called for in this class.
class AdjoiningGenerations : public CHeapObj<mtGC> {
friend class VMStructs;
private:
// Move boundary up to expand old gen. Checks are made to
// determine if the move can be done with specified limits.
void request_old_gen_expansion(size_t desired_change_in_bytes);
// Move boundary down to expand young gen.
bool request_young_gen_expansion(size_t desired_change_in_bytes);
+ protected:
+ // The young generation and old generation, respectively
+ PSYoungGen* _young_gen;
+ PSOldGen* _old_gen;
+
+ // The spaces used by the two generations.
+ AdjoiningVirtualSpaces* _virtual_spaces;
+
public:
AdjoiningGenerations(ReservedSpace rs, GenerationSizer* policy, size_t alignment);
+ AdjoiningGenerations();
// Accessors
PSYoungGen* young_gen() { return _young_gen; }
PSOldGen* old_gen() { return _old_gen; }
! AdjoiningVirtualSpaces* virtual_spaces() { return _virtual_spaces; }
// Additional space is needed in the old generation. Check
// the available space and attempt to move the boundary if more space
// is needed. The growth is not guaranteed to occur.
void adjust_boundary_for_old_gen_needs(size_t desired_change_in_bytes);
// Similarly for a growth of the young generation.
void adjust_boundary_for_young_gen_needs(size_t eden_size, size_t survivor_size);
// Return the total byte size of the reserved space
// for the adjoining generations.
! virtual size_t reserved_byte_size();
};
#endif // SHARE_VM_GC_PARALLEL_ADJOININGGENERATIONS_HPP
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