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

[Severin Gehwolf]

Clean backport to the JDK 25u version of this fix.

Testing:
- [ ] GHA
- [x] Container tests on Linux x86_64 with the regression test added in the [dependent PR](url).

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Commit messages:
 - Backport 5a08f945f250c27afe533ca5a7c796699eb63d91

Changes: https://git.openjdk.org/jdk21u-dev/pull/2532/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2532&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8370572
  Stats: 33 lines in 3 files changed: 22 ins; 3 del; 8 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