RFR: 8322420: [Linux] cgroup v2: Limits in parent nested control groups are not detected [v3]

[Jan Kratochvil]

> The testcase requires root permissions.

Jan Kratochvil 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 four additional commits since the last revision:

 - Merge branch 'master' into master-cgroup
 - Fix gtest testcases compilation errors
 - 8322420: [Linux] cgroup v2: Limits in parent nested control groups are not detected
 - 4c556a78: <no commit message found>

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/17198/files
  - new: https://git.openjdk.org/jdk/pull/17198/files/395ef61f..ae58f7e3

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=17198&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=17198&range=01-02

  Stats: 44851 lines in 1274 files changed: 27136 ins; 11937 del; 5778 mod
  Patch: https://git.openjdk.org/jdk/pull/17198.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17198/head:pull/17198

PR: https://git.openjdk.org/jdk/pull/17198