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6672698: mangle_unused_area() should not remangle the entire heap at each collection

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Maintain a high water mark for the allocations in a space and mangle only up to that high water mark.

Reviewed-by: ysr, apetrusenko
This commit is contained in:
Jon Masamitsu 2008-07-09 15:08:55 -07:00
parent 0d9452401c
commit 18dbebd143
43 changed files with 1299 additions and 206 deletions
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hotspot/src/share/vm/gc_implementation/includeDB_gc_concurrentMarkSweep
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@ -28,6 +28,7 @@ binaryTreeDictionary.cpp allocationStats.hpp
binaryTreeDictionary.cpp binaryTreeDictionary.hpp
binaryTreeDictionary.cpp globals.hpp
binaryTreeDictionary.cpp ostream.hpp
binaryTreeDictionary.cpp spaceDecorator.hpp
binaryTreeDictionary.hpp freeBlockDictionary.hpp
binaryTreeDictionary.hpp freeList.hpp
@ -114,6 +115,7 @@ compactibleFreeListSpace.cpp java.hpp
compactibleFreeListSpace.cpp liveRange.hpp
compactibleFreeListSpace.cpp oop.inline.hpp
compactibleFreeListSpace.cpp resourceArea.hpp
compactibleFreeListSpace.cpp spaceDecorator.hpp
compactibleFreeListSpace.cpp universe.inline.hpp
compactibleFreeListSpace.cpp vmThread.hpp