[jdk25u] RFR: 8361948: Shenandoah: region free capacity unit mismatch

[duke]

On Wed, 6 Aug 2025 06:25:55 GMT, Xiaolong Peng <xpeng at openjdk.org> wrote:

> Clean backport of a bug [JDK-8361948](https://bugs.openjdk.org/browse/JDK-8361948), I have ran all the jtreg test for Shenandoah.

@pengxiaolong 
Your change (at version dd379c33c2fef0ada7dba5e8a6375c668c14726f) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk25u/pull/69#issuecomment-3180395902