8253714: [cgroups v2] Soft memory limit incorrectly using memory.high

[zhengyu123]

A clean, followup (JDK-8231111) backport for Cgroup V2 support.

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Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change must be properly reviewed

Issue

• JDK-8253714: [cgroups v2] Soft memory limit incorrectly using memory.high

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/865/head:pull/865
$ git checkout pull/865

Update a local copy of the PR:
$ git checkout pull/865
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/865/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 865

View PR using the GUI difftool:
$ git pr show -t 865

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/865.diff

[bridgekeeper]

👋 Welcome back zgu! A progress list of the required criteria for merging this PR into pr/863 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

This backport pull request has now been updated with issue and summary from the original commit.

[mlbridge]

Webrevs

• 01: Full - Incremental (07ee583d)
• 00: Full (07ee583d)

[openjdk-notifier]

The dependent pull request has now been integrated, and the target branch of this pull request has been updated. This means that changes from the dependent pull request can start to show up as belonging to this pull request, which may be confusing for reviewers. To remedy this situation, simply merge the latest changes from the new target branch into this pull request by running commands similar to these in the local repository for your personal fork:

git checkout backport-8231111-unified-hierarchy
git fetch https://git.openjdk.java.net/jdk11u-dev master
git merge FETCH_HEAD
# if there are conflicts, follow the instructions given by git merge
git commit -m "Merge master"
git push

[openjdk]

@zhengyu123 this pull request can not be integrated into master due to one or more merge conflicts. To resolve these merge conflicts and update this pull request you can run the following commands in the local repository for your personal fork:

git checkout backport-8253714-memory.high
git fetch https://git.openjdk.java.net/jdk11u-dev master
git merge FETCH_HEAD
# resolve conflicts and follow the instructions given by git merge
git commit -m "Merge master"
git push

[zhengyu123]

Followed above instructions to resolve dependency pull, but resulted many conflicts. Replace this with PR 941, which is a clean backport.