RFR: 8376353: Parallel: Convert PSParallelCompact classes to use Atomic<T>

[Thomas Schatzl]

On Tue, 10 Feb 2026 08:00:15 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this change to convert `PSParallelCompact` to use `Atomic<T>`.
>> 
>> Testing: tier1-5,gha
>> 
>> Thanks,
>>   Thomas
>
> Marked as reviewed by ayang (Reviewer).

Thanks @albertnetymk @walulyai for your reviews

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PR Comment: https://git.openjdk.org/jdk/pull/29425#issuecomment-3876103846