RFR: 8292984: Refactor internal container-related interfaces for clarity [v2]

[Casper Norrbin]

On Tue, 30 Sep 2025 09:46:48 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

>> Casper Norrbin has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:
>> 
>>  - Merge branch 'master' into linux-container-mem-restructure
>>  - keep cgroupsubsystem separate
>>  - keep os::linux separate
>
> src/hotspot/os/linux/cgroupSubsystem_linux.cpp line 674:
> 
>> 672:     return memory_limit->value();
>> 673:   }
>> 674:   jlong mem_limit = contrl->controller()->read_memory_limit_in_bytes(upper_bound);
> 
> This removes the logging at the trace level for the upper bound. Intentional?

Yes, it was intentional. Both cgroup v1/v2 already log the upper bound in `read_memory_limit_in_bytes()` at debug level, along with more information. It felt unnecessary logging the same value twice.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27470#discussion_r2390652794