RFR: 8311248: Refactor CodeCache::initialize_heaps to simplify adding new CodeCache segments [v2]

[Boris Ulasevich]

On Tue, 16 Jan 2024 18:36:22 GMT, Evgeny Astigeevich <eastigeevich at openjdk.org> wrote:

>> src/hotspot/share/code/codeCache.hpp line 469:
>> 
>>> 467: typedef CodeBlobIterator<CodeBlob, AllCodeBlobsFilter, false /* is_relaxed */> AllCodeBlobsIterator;
>>> 468: 
>>> 469: struct CodeCacheSegment {
>> 
>> Would this create a confusion?
>> `CodeHeap` consists of blocks and names them `segments`.  See `src/hotspot/share/memory/heap.hpp` and  `src/hotspot/share/memory/heap.cpp`.
>> There is `CodeCache::allocated_segments()` which returns the total number of segments (memory blocks) code heaps use. Also there is `CodeCacheSegmentSize` which defines the size of a memory block for a code heap.
>
> Maybe `CodeHeapInfo` would be better?

ok

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PR Review Comment: https://git.openjdk.org/jdk/pull/17244#discussion_r1467442944