RFR: 8312117: GenShen: Preempt OLD marking more quickly when YOUNG triggers arise

[Kelvin Nilsen]

On Mon, 2 Oct 2023 17:15:32 GMT, William Kemper <wkemper at openjdk.org> wrote:

> Have regulator thread wait until expected condition is met

Thanks for sorting this out.

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Marked as reviewed by kdnilsen (Committer).

PR Review: https://git.openjdk.org/shenandoah/pull/333#pullrequestreview-1653201910