Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/compactingPermGenGen.cpp
src/share/vm/memory/compactingPermGenGen.cpp
- changeset 726
- 5251a9cd8eb8
- parent 706
- 818a18cd69a8
- child 1486
- 26f1542097f1
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| 725:9f7cf8db35b8 | 726:5251a9cd8eb8 |
|---|---|
| 419 return OneContigSpaceCardGeneration::max_capacity() | 419 return OneContigSpaceCardGeneration::max_capacity() |
| 420 - _shared_space_size; | 420 - _shared_space_size; |
| 421 } | 421 } |
| 422 | 422 |
| 423 | 423 |
| 424 | |
| 425 bool CompactingPermGenGen::grow_by(size_t bytes) { | |
| 426 // Don't allow _virtual_size to expand into shared spaces. | |
| 427 size_t max_bytes = _virtual_space.uncommitted_size() - _shared_space_size; | |
| 428 if (bytes > _shared_space_size) { | |
| 429 bytes = _shared_space_size; | |
| 430 } | |
| 431 return OneContigSpaceCardGeneration::grow_by(bytes); | |
| 432 } | |
| 433 | |
| 434 | |
| 435 bool CompactingPermGenGen::grow_to_reserved() { | |
| 436 // Don't allow _virtual_size to expand into shared spaces. | |
| 437 bool success = false; | |
| 438 if (_virtual_space.uncommitted_size() > _shared_space_size) { | |
| 439 size_t remaining_bytes = | |
| 440 _virtual_space.uncommitted_size() - _shared_space_size; | |
| 441 success = OneContigSpaceCardGeneration::grow_by(remaining_bytes); | |
| 442 DEBUG_ONLY(if (!success) warning("grow to reserved failed");) | |
| 443 } | |
| 444 return success; | |
| 445 } | |
| 446 | |
| 447 | |
| 448 // No young generation references, clear this generation's main space's | 424 // No young generation references, clear this generation's main space's |
| 449 // card table entries. Do NOT clear the card table entries for the | 425 // card table entries. Do NOT clear the card table entries for the |
| 450 // read-only space (always clear) or the read-write space (valuable | 426 // read-only space (always clear) or the read-write space (valuable |
| 451 // information). | 427 // information). |
| 452 | 428 |
