71
72 virtual SoftRefPolicy* soft_ref_policy() {
73 return &_soft_ref_policy;
74 }
75
76 virtual jint initialize();
77 virtual void post_initialize();
78 virtual void initialize_serviceability();
79
80 virtual GrowableArray<GCMemoryManager*> memory_managers();
81 virtual GrowableArray<MemoryPool*> memory_pools();
82
83 virtual size_t max_capacity() const { return _virtual_space.reserved_size(); }
84 virtual size_t capacity() const { return _virtual_space.committed_size(); }
85 virtual size_t used() const { return _space->used(); }
86
87 virtual bool is_in(const void* p) const {
88 return _space->is_in(p);
89 }
90
91 virtual bool is_scavengable(oop obj) {
92 // No GC is going to happen, therefore no objects ever move.
93 return false;
94 }
95
96 virtual bool is_maximal_no_gc() const {
97 // No GC is going to happen. Return "we are at max", when we are about to fail.
98 return used() == capacity();
99 }
100
101 // Allocation
102 HeapWord* allocate_work(size_t size);
103 virtual HeapWord* mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded);
104 virtual HeapWord* allocate_new_tlab(size_t min_size,
105 size_t requested_size,
106 size_t* actual_size);
107
108 // TLAB allocation
109 virtual bool supports_tlab_allocation() const { return true; }
110 virtual size_t tlab_capacity(Thread* thr) const { return capacity(); }
111 virtual size_t tlab_used(Thread* thr) const { return used(); }
112 virtual size_t max_tlab_size() const { return _max_tlab_size; }
113 virtual size_t unsafe_max_tlab_alloc(Thread* thr) const;
114
115 virtual void collect(GCCause::Cause cause);
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71
72 virtual SoftRefPolicy* soft_ref_policy() {
73 return &_soft_ref_policy;
74 }
75
76 virtual jint initialize();
77 virtual void post_initialize();
78 virtual void initialize_serviceability();
79
80 virtual GrowableArray<GCMemoryManager*> memory_managers();
81 virtual GrowableArray<MemoryPool*> memory_pools();
82
83 virtual size_t max_capacity() const { return _virtual_space.reserved_size(); }
84 virtual size_t capacity() const { return _virtual_space.committed_size(); }
85 virtual size_t used() const { return _space->used(); }
86
87 virtual bool is_in(const void* p) const {
88 return _space->is_in(p);
89 }
90
91 virtual bool is_maximal_no_gc() const {
92 // No GC is going to happen. Return "we are at max", when we are about to fail.
93 return used() == capacity();
94 }
95
96 // Allocation
97 HeapWord* allocate_work(size_t size);
98 virtual HeapWord* mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded);
99 virtual HeapWord* allocate_new_tlab(size_t min_size,
100 size_t requested_size,
101 size_t* actual_size);
102
103 // TLAB allocation
104 virtual bool supports_tlab_allocation() const { return true; }
105 virtual size_t tlab_capacity(Thread* thr) const { return capacity(); }
106 virtual size_t tlab_used(Thread* thr) const { return used(); }
107 virtual size_t max_tlab_size() const { return _max_tlab_size; }
108 virtual size_t unsafe_max_tlab_alloc(Thread* thr) const;
109
110 virtual void collect(GCCause::Cause cause);
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