On Thu, 26 May 2022 16:04:17 GMT, Maxim Kartashev <mkartas...@openjdk.org> 

>> Following the logic from the comment directly above the changed line, since 
>> it doesn't matter which controller we pick, pick any available controller 
>> instead of the one called "memory" specifically. This way we are guarded 
>> against getting `null` as `anyController`, which is being immediately passed 
>> down to `CgroupV2Subsystem.getInstance()` that is unprepared to accept 
>> `null` values. 
>> It is also worth noting that the previous checks (such as that at line 89) 
>> make sure that there exist at least one controller in the map.
> Maxim Kartashev has updated the pull request incrementally with one 
> additional commit since the last revision:
>   Made requested changes

Marked as reviewed by iklam (Reviewer).


PR: https://git.openjdk.java.net/jdk/pull/8803

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