401
402 void zero_marked_bytes() {
403 _prev_marked_bytes = _next_marked_bytes = 0;
404 }
405
406 const char* get_type_str() const { return _type.get_str(); }
407 const char* get_short_type_str() const { return _type.get_short_str(); }
408
409 bool is_free() const { return _type.is_free(); }
410
411 bool is_young() const { return _type.is_young(); }
412 bool is_eden() const { return _type.is_eden(); }
413 bool is_survivor() const { return _type.is_survivor(); }
414
415 bool is_humongous() const { return _type.is_humongous(); }
416 bool is_starts_humongous() const { return _type.is_starts_humongous(); }
417 bool is_continues_humongous() const { return _type.is_continues_humongous(); }
418
419 bool is_old() const { return _type.is_old(); }
420
421 bool is_pinned() const { return _type.is_pinned(); }
422 bool is_archive() const { return _type.is_archive(); }
423
424 // For a humongous region, region in which it starts.
425 HeapRegion* humongous_start_region() const {
426 return _humongous_start_region;
427 }
428
429 // Return the number of distinct regions that are covered by this region:
430 // 1 if the region is not humongous, >= 1 if the region is humongous.
431 uint region_num() const {
432 if (!is_humongous()) {
433 return 1U;
434 } else {
435 assert(is_starts_humongous(), "doesn't make sense on HC regions");
436 assert(capacity() % HeapRegion::GrainBytes == 0, "sanity");
437 return (uint) (capacity() >> HeapRegion::LogOfHRGrainBytes);
438 }
439 }
440
441 // Return the index + 1 of the last HC regions that's associated
|
401
402 void zero_marked_bytes() {
403 _prev_marked_bytes = _next_marked_bytes = 0;
404 }
405
406 const char* get_type_str() const { return _type.get_str(); }
407 const char* get_short_type_str() const { return _type.get_short_str(); }
408
409 bool is_free() const { return _type.is_free(); }
410
411 bool is_young() const { return _type.is_young(); }
412 bool is_eden() const { return _type.is_eden(); }
413 bool is_survivor() const { return _type.is_survivor(); }
414
415 bool is_humongous() const { return _type.is_humongous(); }
416 bool is_starts_humongous() const { return _type.is_starts_humongous(); }
417 bool is_continues_humongous() const { return _type.is_continues_humongous(); }
418
419 bool is_old() const { return _type.is_old(); }
420
421 // A pinned region contains objects which are not moved by garbage collections.
422 // Humongous regions and archive regions are pinned.
423 bool is_pinned() const { return _type.is_pinned(); }
424
425 // An archive region is a pinned region, also tagged as old, which
426 // should not be marked during mark/sweep. This allows the address
427 // space to be shared by JVM instances.
428 bool is_archive() const { return _type.is_archive(); }
429
430 // For a humongous region, region in which it starts.
431 HeapRegion* humongous_start_region() const {
432 return _humongous_start_region;
433 }
434
435 // Return the number of distinct regions that are covered by this region:
436 // 1 if the region is not humongous, >= 1 if the region is humongous.
437 uint region_num() const {
438 if (!is_humongous()) {
439 return 1U;
440 } else {
441 assert(is_starts_humongous(), "doesn't make sense on HC regions");
442 assert(capacity() % HeapRegion::GrainBytes == 0, "sanity");
443 return (uint) (capacity() >> HeapRegion::LogOfHRGrainBytes);
444 }
445 }
446
447 // Return the index + 1 of the last HC regions that's associated
|