RFR: 8368740: Serial: Swap eden and survivor spaces position in young generation [v2]

[Albert Mingkun Yang]

On Tue, 14 Oct 2025 08:47:33 GMT, Guoxiong Li <gli at openjdk.org> wrote:

>> End users can notice a change-of-behavior, so maybe we can have a release-note stating `SurvivorRatio` might not hold in the heap-almost-full situation. WDYT?
>
>> End users can notice a change-of-behavior, so maybe we can have a release-note stating SurvivorRatio might not hold in the heap-almost-full situation.
> 
> So good.

Release note: https://bugs.openjdk.org/browse/JDK-8369810

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PR Review Comment: https://git.openjdk.org/jdk/pull/27513#discussion_r2428430723