RFR: 8341379: Shenandoah: Improve lock contention during cleanup [v3]

[Xiaolong Peng]

On Thu, 3 Oct 2024 21:42:51 GMT, Kelvin Nilsen <kdnilsen at openjdk.org> wrote:

> Which would be considered the preferred solution? I'll vote for the new code, but can be persuaded either way.

New code looks good to me, the test result also looks pretty good.

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PR Comment: https://git.openjdk.org/jdk/pull/21211#issuecomment-2392428849