[jdk8u-dev] RFR: 8253797: [cgroups v2] Account for the fact that swap accounting is disabled on some systems [v5]

[Jonathan Dowland]

On Thu, 15 Dec 2022 18:07:58 GMT, Jonathan Dowland <jdowland at openjdk.org> wrote:

>> This is a clean backport of 8253797 (via 11u) for jdk8u-dev for cgroups v2 support.
>> 
>> The changed files are exercised by the jtreg test `TestSystemMetrics.java` which passes on my cgroups v2 system.
>
> Jonathan Dowland has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:
> 
>  - 8253797: [cgroups v2] Account for the fact that swap accounting is disabled on some systems
>    
>    Backport-of: 669361117d30c9904813b6f728714f8d6abe8484
>  - 8253939: [TESTBUG] Increase coverage of the cgroups detection code
>    
>    Reviewed-by: sgehwolf
>    Backport-of: 42fc15899115ca61151bbee96b5580d4e4252beb

Oddly we got this approved a week ago. I've rebased since, so I've just double-checked that the patch is clean (yes)

-------------

PR: https://git.openjdk.org/jdk8u-dev/pull/185