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comparison src/share/vm/memory/defNewGeneration.cpp @ 12030:330dfb0476f4

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8022800: Use specific generations rather than generation iteration Reviewed-by: jmasa, ehelin
author brutisso
date Wed, 14 Aug 2013 09:02:32 +0200
parents 7b06ae405d7b
children 8f07aa079343
comparison
equal deleted inserted replaced
12009:39127bb12d32 12030:330dfb0476f4
565 _gc_timer->register_gc_start(os::elapsed_counter()); 565 _gc_timer->register_gc_start(os::elapsed_counter());
566 DefNewTracer gc_tracer; 566 DefNewTracer gc_tracer;
567 gc_tracer.report_gc_start(gch->gc_cause(), _gc_timer->gc_start()); 567 gc_tracer.report_gc_start(gch->gc_cause(), _gc_timer->gc_start());
568 568
569 _next_gen = gch->next_gen(this); 569 _next_gen = gch->next_gen(this);
570 assert(_next_gen != NULL,
571 "This must be the youngest gen, and not the only gen");
572 570
573 // If the next generation is too full to accommodate promotion 571 // If the next generation is too full to accommodate promotion
574 // from this generation, pass on collection; let the next generation 572 // from this generation, pass on collection; let the next generation
575 // do it. 573 // do it.
576 if (!collection_attempt_is_safe()) { 574 if (!collection_attempt_is_safe()) {
899 return false; 897 return false;
900 } 898 }
901 if (_next_gen == NULL) { 899 if (_next_gen == NULL) {
902 GenCollectedHeap* gch = GenCollectedHeap::heap(); 900 GenCollectedHeap* gch = GenCollectedHeap::heap();
903 _next_gen = gch->next_gen(this); 901 _next_gen = gch->next_gen(this);
904 assert(_next_gen != NULL,
905 "This must be the youngest gen, and not the only gen");
906 } 902 }
907 return _next_gen->promotion_attempt_is_safe(used()); 903 return _next_gen->promotion_attempt_is_safe(used());
908 } 904 }
909 905
910 void DefNewGeneration::gc_epilogue(bool full) { 906 void DefNewGeneration::gc_epilogue(bool full) {