[jdk21u] RFR: 8312182: THPs cause huge RSS due to thread start timing issue

[Thomas Stuefe]

On Fri, 25 Aug 2023 12:48:36 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> Fixes a serious issue that may cause huge RSS bloat and thread startup performance degradation. Applies cleanly.

Got push approval. Tests clean.

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PR Comment: https://git.openjdk.org/jdk21u/pull/103#issuecomment-1695906798