RFR: 8322420: [Linux] cgroup v2: Limits in parent nested control groups are not detected [v2]

[Severin Gehwolf]

On Wed, 28 Aug 2024 08:49:18 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> I'd be happy to make `os::Linux::active_processor_count` public as part of this patch. Or add the `os::active_physical_processor_count()` api as you suggest. It would also make #19530 cleaner since it needs to know the host CPU values too. What would you like me to do here? How about keep as-is, then I'll file a new issue to clean this up by introducing `os::active_physical_processor_count()`?
>
> I leave it up to you, I am fine with doing it in this RFE or in a follow up.

I've filed https://bugs.openjdk.org/browse/JDK-8339148 to do this. I'll do this clean-up with the introduction of the API.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20646#discussion_r1734306104