[jdk21u-dev] RFR: 8370572: Cgroups hierarchical memory limit is not honored after JDK-8322420 [v2]

[Severin Gehwolf]

> Clean backport to the JDK 25u version of this fix.
> 
> Testing:
> - [x] GHA
> - [x] Container tests on Linux x86_64 with the regression test added in the [dependent PR](https://github.com/openjdk/jdk21u-dev/pull/2533).

Severin Gehwolf has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'master' into jdk-8370572-backport
 - Backport 5a08f945f250c27afe533ca5a7c796699eb63d91

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

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/2532/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/2532/files/484a7ccf..0afa0c6a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2532&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2532&range=00-01

  Stats: 5219 lines in 81 files changed: 1304 ins; 3378 del; 537 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2532.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2532/head:pull/2532

PR: https://git.openjdk.org/jdk21u-dev/pull/2532