8303815: Improve Metaspace test speed

[tstuefe]

Small improvement, low risk, that speeds up metaspace tests (jtreg and gtests).

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Progress

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

Issue

• JDK-8303815: Improve Metaspace test speed (Enhancement - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u.git pull/98/head:pull/98
$ git checkout pull/98

Update a local copy of the PR:
$ git checkout pull/98
$ git pull https://git.openjdk.org/jdk21u.git pull/98/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 98

View PR using the GUI difftool:
$ git pr show -t 98

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u/pull/98.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back stuefe! A progress list of the required criteria for merging this PR into master 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 from the original commit.

[openjdk]

@tstuefe This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8303815: Improve Metaspace test speed

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[mlbridge]

Webrevs

• 00: Full (895e7c55)

[tstuefe]

Push approval there, tests clean apart from riscv infra issue.

/integrate

[openjdk]

Going to push as commit 89234bc.
Since your change was applied there have been 14 commits pushed to the master branch:

• 3f889a8: 8312394: [linux] SIGSEGV if kernel was built without hugepage support
• 4909911: 8314960: Add Certigna Root CA - 2
• f5eef20: 8314850: SharedRuntime::handle_wrong_method() gets called too often when resolving Continuation.enter
• 46ce555: 8313796: AsyncGetCallTrace crash on unreadable interpreter method pointer
• b96aa3c: 8311592: ECKeySizeParameterSpec causes too many exceptions on third party providers
• a34b844: 8313701: GHA: RISC-V should use the official repository for bootstrap
• c849fa5: 8309214: sun/security/pkcs11/KeyStore/CertChainRemoval.java fails after 8301154
• 4729fad: 8313312: Add missing classpath exception copyright header
• 7a2aa86: 8314020: Print instruction blocks in byte units
• 17a7fc3: 8314730: GHA: Drop libfreetype6-dev transitional package in favor of libfreetype-dev
• ... and 4 more: https://git.openjdk.org/jdk21u/compare/82d7bc57b7a1d2fee01bec1bf2ab667c330ea634...master

Your commit was automatically rebased without conflicts.

[openjdk]

@tstuefe Pushed as commit 89234bc.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.