[jdk21u-dev] RFR: 8333326: Linux Alpine build fails after 8302744

[Jan Kratochvil]

A patch 2 of 6 for: [[21u] Backport intention of 8322420: [Linux] cgroup v2: Limits in parent nested control groups are not detected](https://mail.openjdk.org/pipermail/jdk-updates-dev/2025-April/043206.html)

It has a patch dependency on PR 1 of 6: https://github.com/openjdk/jdk21u-dev/pull/1648

This backport is clean.

The whole patchset has been tested on CentOS-7.9 (for cgroup v1) and on Fedora 40 (for cgroup v2) for test/hotspot/jtreg/containers.

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

Depends on: https://git.openjdk.org/jdk21u-dev/pull/1648

Commit messages:
 - 8333326: Linux Alpine build fails after 8302744

Changes: https://git.openjdk.org/jdk21u-dev/pull/1868/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1868&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8333326
  Stats: 9 lines in 1 file changed: 4 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1868.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1868/head:pull/1868

PR: https://git.openjdk.org/jdk21u-dev/pull/1868