RFR: 8273300: Check Mutex ranking during a safepoint [v4]

[David Holmes]

On Wed, 15 Sep 2021 15:30:39 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Okay but is there a reason not to use the same gap?
>
> If the gap is 2, then leaf-2 will == oopstorage?  I could make it 3 but it doesn't actually matter.

Obviously the gap needs to be big enough to avoid the overlap, but the presence of +1, +3, +6 and +10 just raise questions as to why different values are used. Why not make them all +10 if you need 10 slots in some areas?

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PR: https://git.openjdk.java.net/jdk/pull/5467