RFR: 8329603: G1: Merge G1BlockOffsetTablePart into G1BlockOffsetTable [v3]

[Albert Mingkun Yang]

On Fri, 5 Apr 2024 10:05:37 GMT, Guoxiong Li <gli at openjdk.org> wrote:

>> Hi all,
>> 
>> This patch merges `G1BlockOffsetTablePart` into `G1BlockOffsetTable`. The previous fields `_reserved` and `_offset_base` of `G1BlockOffsetTable` are marked as `static` so that they can be shared by BOTs of all the heap regions.
>> 
>> The tests `make test-tier1_gc` passed locally. Thanks for taking the time to review.
>> 
>> Best Regards,
>> -- Guoxiong
>
> Guoxiong Li has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Remove unnecessary comments.
>  - Fix indentation issue.

Marked as reviewed by ayang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/18634#pullrequestreview-1982586398