RFR: 8365026: G1: Initialization should start a "full" new collection set

[Thomas Schatzl]

On Tue, 12 Aug 2025 08:54:56 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this change that makes G1 start a "full" new collection set at initialization time, calling `G1CollectedHeap::start_new_collection_set()`.
>> 
>> Previously G1 only did part of that (start incremental building only), on a not-fully initialized collection set instance. It works, but is not nice.
>> 
>> Testing: gha
>> 
>> Thanks,
>>   Thomas
>
> Marked as reviewed by ayang (Reviewer).

Thanks @albertnetymk @kimbarrett for your reviews

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PR Comment: https://git.openjdk.org/jdk/pull/26673#issuecomment-3209760052