RFR: 8315219: G1: Improve allocator pathological case where it keeps doing direct allocations instead of retiring a PLAB [v3]

[Ivan Walulya]

On Wed, 30 Aug 2023 10:43:45 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 for reviews @albertnetymk , @Hamlin-Li, and @tschatzl.

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PR Comment: https://git.openjdk.org/jdk/pull/15482#issuecomment-1700556314