97 
 98 static inline bool discard_entry(const void* entry, G1CollectedHeap* g1h) {
 99   return !requires_marking(entry, g1h) || g1h->is_marked(cast_to_oop(entry));
100 }
101 
102 // Workaround for not yet having std::bind.
103 class G1SATBMarkQueueFilterFn {
104   G1CollectedHeap* _g1h;
105 
106 public:
107   G1SATBMarkQueueFilterFn() : _g1h(G1CollectedHeap::heap()) {}
108 
109   // Return true if entry should be filtered out (removed), false if
110   // it should be retained.
111   bool operator()(const void* entry) const {
112     return discard_entry(entry, _g1h);
113   }
114 };
115 
116 void G1SATBMarkQueueSet::filter(SATBMarkQueue& queue) {
117   G1CollectedHeap* g1h = G1CollectedHeap::heap();
118   if (g1h->collector_state()->is_in_marking()) {
119     apply_filter(G1SATBMarkQueueFilterFn(), queue);
120   } else {
121     // is_in_marking() covers both the concurrent marking and the Remark pause. Outside
122     // of that, there can be no entry that requires SATB marking.
123     queue.set_empty();
124   }
125 }

 97 
 98 static inline bool discard_entry(const void* entry, G1CollectedHeap* g1h) {
 99   return !requires_marking(entry, g1h) || g1h->is_marked(cast_to_oop(entry));
100 }
101 
102 // Workaround for not yet having std::bind.
103 class G1SATBMarkQueueFilterFn {
104   G1CollectedHeap* _g1h;
105 
106 public:
107   G1SATBMarkQueueFilterFn() : _g1h(G1CollectedHeap::heap()) {}
108 
109   // Return true if entry should be filtered out (removed), false if
110   // it should be retained.
111   bool operator()(const void* entry) const {
112     return discard_entry(entry, _g1h);
113   }
114 };
115 
116 void G1SATBMarkQueueSet::filter(SATBMarkQueue& queue) {
117   apply_filter(G1SATBMarkQueueFilterFn(), queue);







118 }