RFR: 8333962: Obsolete OldSize [v2]

[Zhengyu Gu]

On Fri, 14 Jun 2024 10:19:47 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Obsolete OldSize and related code. An internal variable `OldSize` is kept to capture the capacity of old-gen size.
>
> Albert Mingkun Yang has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:
> 
>   obsolete-old-size

LGTM

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Marked as reviewed by zgu (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/19647#pullrequestreview-2123055719