JDK-8038405 : Clean up some virtual fucntions in Space class hierarchy
- Type: Enhancement
- Component: hotspot
- Sub-Component: gc
- Affected Version: 9
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- Submitted: 2014-03-26
- Updated: 2015-01-21
- Resolved: 2014-03-28
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| JDK 8 | JDK 9 |
|---|---|
8u40Fixed  |
9 b08Fixed |
Description
Space::is_in is implemented the same by all Space subclasses, move it to Space and make it non-virtual. Space::used_region has a bogus implementation that is never useful, remove it. Consolidate more code related to saved_marks in the Space base class Make CompactibleSpace::reset_after_compaction a pure virtual. Give Space::minimum_free_block_size a default implementation since only CMS needs to override it. This is useful in order to reduce the amount of code needed to disconnect G1 from ContiguousSpace.