RFR: 8368740: Serial: Swap eden and survivor spaces position in young generation [v2]

Wed Oct 8 10:56:03 UTC 2025

On Thu, 2 Oct 2025 10:04:32 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> why are the locations of young gen and old gen swapped in Serial and Parallel

Placing old-gen first makes support for non-fixed gen-boundary easier, which ParallelGC used to have. Nowadays, the two layouts make little diff.

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PR Comment: https://git.openjdk.org/jdk/pull/27513#issuecomment-3380955810