RFR: 8371701: Add ability to set NUMA-affinity for threads [v2]

[Stefan Karlsson]

On Wed, 12 Nov 2025 16:06:17 GMT, Joel Sikström <jsikstro at openjdk.org> wrote:

>> NUMA affinity is a performance hint, not a requirement. Callers can’t meaningfully react to failure -- retry is unlikely to succeed, and there’s no feasible fallback strategy in most contexts.
>> 
>>> since the algorithm and functionality works if setting the affinity would fail
>> 
>> I can't think of a scenario where numa-affinity affects correctness.
>> 
>> Ofc, this is very subjective. Up to you.
>
> I see what you're saying. I'll change the return type to void instead.

Could one use-case could be to log a failure message and then not try again?

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PR Review Comment: https://git.openjdk.org/jdk/pull/28261#discussion_r2519076551