RFR: 8371852: Shenandoah: Unused ShenandoahFreeSet::_allocated_since_gc_start field [v2]

[Francesco Andreuzzi]

On Fri, 14 Nov 2025 21:05:46 GMT, Nityanand Rai <duke at openjdk.org> wrote:

>> Removed the unused _allocated_since_gc_start[UIntNumPartitions] field from ShenandoahRegionPartitions class. This field became obsolete after JDK-8365880 unified memory usage accounting in ShenandoahFreeSet but was not cleaned up.
>
> Nityanand Rai has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'openjdk:master' into 8371852-nityanar
>  - 8371852: Shenandoah: Remove unused ShenandoahFreeSet::_allocated_since_gc_start field
>    
>    Removed the unused _allocated_since_gc_start[UIntNumPartitions] field from
>    ShenandoahRegionPartitions class. This field became obsolete after JDK-8365880
>    unified memory usage accounting in ShenandoahFreeSet but was not cleaned up.
>    
>    Reviewed-by: TBD

Marked as reviewed by fandreuzzi (Author).

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PR Review: https://git.openjdk.org/jdk/pull/28332#pullrequestreview-3472057943