RFR: 8361204: Parallel: Skip visiting per-thread nmethods during young GC

[Ivan Walulya]

On Wed, 2 Jul 2025 10:01:56 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Small patch of removing per-thread nmethod visiting during young-gc, because relevant nmethods for young-gc are already tracked by `ScavengableNMethods`.
> 
> Test: tier1-8

Marked as reviewed by iwalulya (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/26089#pullrequestreview-3029159426