[jdk26] RFR: 8373145: [BACKOUT] Remove ThreadLocalAllocBuffer::_reserve_for_allocation_prefetch

Tue Dec 9 18:11:15 UTC 2025

Hi all,

This pull request contains a backport of commit [43787890](https://github.com/openjdk/jdk/commit/43787890291d71de61b28b8a4e3bf9aaba46757a) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Albert Mingkun Yang on 5 Dec 2025 and was reviewed by Martin Doerr and Vladimir Kozlov.

Thanks!

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Commit messages:
 - Backport 43787890291d71de61b28b8a4e3bf9aaba46757a

Changes: https://git.openjdk.org/jdk/pull/28728/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28728&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373145
  Stats: 69 lines in 7 files changed: 66 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/28728.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28728/head:pull/28728

PR: https://git.openjdk.org/jdk/pull/28728