8298651: Serial: Remove MarkSweep::follow_klass

[albertnetymk]

Simple change to make CLD better encapsulated during marking.

Test: hotspot_gc

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8298651: Serial: Remove MarkSweep::follow_klass

Reviewers

• Kim Barrett (@kimbarrett - Reviewer)
• Thomas Schatzl (@tschatzl - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk pull/11650/head:pull/11650
$ git checkout pull/11650

Update a local copy of the PR:
$ git checkout pull/11650
$ git pull https://git.openjdk.org/jdk pull/11650/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 11650

View PR using the GUI difftool:
$ git pr show -t 11650

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/11650.diff

[bridgekeeper]

👋 Welcome back ayang! 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]

@albertnetymk The following label will be automatically applied to this pull request:

• hotspot-gc

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

[mlbridge]

Webrevs

• 00: Full (f9d60c14)

[kimbarrett]

Looks good.

[openjdk]

@albertnetymk 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:

8298651: Serial: Remove MarkSweep::follow_klass

Reviewed-by: kbarrett, tschatzl

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 117 new commits pushed to the master branch:

• de8153c: 8298526: JFR: Generate missing filename for time-bound recordings
• 318526b: 8299031: JFR: Clean up jdk.management.jfr
• c5a4a7a: Merge
• 3dd2cfa: 8298784: JFR: Test chunk integrity
• ea40f29: 8298215: gc/g1/TestVerifyGCType.java failed with "Missing expected verification pattern Verifying After GC for: Pause Young (Prepare Mixed): expected true, was false"
• d0a7679: 4958969: ObjectOutputStream example leads to non-working code
• f07acfc: 8298699: java/lang/reflect/IllegalArgumentsTest.java times out with slowdebug bits
• 3e17e3c: 4512626: Non-editable JTextArea provides no visual indication of keyboard focus
• 188aaef: 8277074: Qualified exported types show up in JavaDoc
• 2c69c41: 8298894: java/lang/Thread/virtual/stress/Skynet.java timed out and threw OutOfMemoryError
• ... and 107 more: https://git.openjdk.org/jdk/compare/c612f93e5a63cc94da6634c3cf361eb87582f129...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[albertnetymk]

Thanks for the review.

/integrate

[openjdk]

Going to push as commit 8dfb6d7.
Since your change was applied there have been 117 commits pushed to the master branch:

• de8153c: 8298526: JFR: Generate missing filename for time-bound recordings
• 318526b: 8299031: JFR: Clean up jdk.management.jfr
• c5a4a7a: Merge
• 3dd2cfa: 8298784: JFR: Test chunk integrity
• ea40f29: 8298215: gc/g1/TestVerifyGCType.java failed with "Missing expected verification pattern Verifying After GC for: Pause Young (Prepare Mixed): expected true, was false"
• d0a7679: 4958969: ObjectOutputStream example leads to non-working code
• f07acfc: 8298699: java/lang/reflect/IllegalArgumentsTest.java times out with slowdebug bits
• 3e17e3c: 4512626: Non-editable JTextArea provides no visual indication of keyboard focus
• 188aaef: 8277074: Qualified exported types show up in JavaDoc
• 2c69c41: 8298894: java/lang/Thread/virtual/stress/Skynet.java timed out and threw OutOfMemoryError
• ... and 107 more: https://git.openjdk.org/jdk/compare/c612f93e5a63cc94da6634c3cf361eb87582f129...master

Your commit was automatically rebased without conflicts.

[openjdk]

@albertnetymk Pushed as commit 8dfb6d7.

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