Mercurial > hg > truffle
comparison src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp @ 263:12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
Summary: Maintain a high water mark for the allocations in a space and mangle only up to that high water mark.
Reviewed-by: ysr, apetrusenko
| author | jmasa |
|---|---|
| date | Wed, 09 Jul 2008 15:08:55 -0700 |
| parents | ba764ed4b6f2 |
| children | 850fdf70db2b |
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| 225:286bee59f34b | 263:12eea04c8b06 |
|---|---|
| 436 | 436 |
| 437 assert(compaction_top() >= space()->bottom() && compaction_top() <= space()->end(), | 437 assert(compaction_top() >= space()->bottom() && compaction_top() <= space()->end(), |
| 438 "should point inside space"); | 438 "should point inside space"); |
| 439 space()->set_top(compaction_top()); | 439 space()->set_top(compaction_top()); |
| 440 | 440 |
| 441 if (mangle_free_space) space()->mangle_unused_area(); | 441 if (mangle_free_space) { |
| 442 } | 442 space()->mangle_unused_area(); |
| 443 } | |
| 444 } |