RFR: 8332517: G1: Refactor G1AllocRegion [v3]

[Ivan Walulya]

On Tue, 2 Jul 2024 10:19:38 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Ivan Walulya has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Albert review
>
> Marked as reviewed by ayang (Reviewer).

Thanks @albertnetymk and @tschatzl for the reviews

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PR Comment: https://git.openjdk.org/jdk/pull/19902#issuecomment-2206482648