[jdk21u-dev] RFR: 8322255: Generational ZGC: ZPageSizeMedium should be set before MaxTenuringThreshold

[Liang Mao]

On Tue, 23 Jan 2024 10:02:41 GMT, Liang Mao <lmao at openjdk.org> wrote:

> Clean backport for fixing generational ZGC. The commit fixes the incorrect calculation of MaxTenuringThreshold and the risk is quite low.
> 
> Additional testing:
>  - [x] Linux aarch64 server fastdebug, `hotspot_gc` with `-XX:+UseZGC +XX+ZGenerational`

Could committers please help sponsor, thanks!

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/210#issuecomment-1909273058