Mercurial > hg > graal-jvmci-8
comparison src/share/vm/memory/defNewGeneration.cpp @ 12030:330dfb0476f4
8022800: Use specific generations rather than generation iteration
Reviewed-by: jmasa, ehelin
author | brutisso |
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date | Wed, 14 Aug 2013 09:02:32 +0200 |
parents | 7b06ae405d7b |
children | 8f07aa079343 |
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12009:39127bb12d32 | 12030:330dfb0476f4 |
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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) { |