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Enhancement
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Resolution: Fixed
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P4
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22
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b18
`CodeCache::initialize_heaps` assumes CodeCache is a combination of NonProfiledCodeHeap, ProfiledCodeHeap and NonNMethodCodeHeap. Adding new CodeCache segments causes a lot of changes in the function.
We need to refactor the function to minimize changes when new segments are added to CodeCache.
The ideal solution should be `CodeCache::initialize_heaps` not to depend on any particular code heap at all. It should accept a valid CodeCache layout description and initialize each code heap according to the description. A valid CodeCache layout description is created based on defaults, cmd options and ergonomics. The process of the description creation can fail if it is not possible to have a requested CodeCache layout.
We need to refactor the function to minimize changes when new segments are added to CodeCache.
The ideal solution should be `CodeCache::initialize_heaps` not to depend on any particular code heap at all. It should accept a valid CodeCache layout description and initialize each code heap according to the description. A valid CodeCache layout description is created based on defaults, cmd options and ergonomics. The process of the description creation can fail if it is not possible to have a requested CodeCache layout.
- blocks
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- In Progress
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- relates to
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JDK-8334564 VM startup: fatal error: FLAG_SET_ERGO cannot be used to set an invalid value for NonNMethodCodeHeapSize
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- Resolved
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- Resolved
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- Open
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