[jdk25u-dev] RFR: 8377811: G1: Optional Evacuations may evacuate pinned objects

Wed Feb 18 09:43:45 UTC 2026

On Mon, 16 Feb 2026 10:52:36 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

> Hi,
> 
> Please review this patch which ensures that the pinned region attribute is correctly set when registering old regions for evacuation. Old regions that may contain pinned objects require special handling during evacuation so that "pinnable objects" remain in place while other objects may still be evacuated. This change propagates the pinning information correctly to enable that specialized evacuation behavior.

@tstuefe Could you please help review this JDK 25-only fix? Thanks!

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PR Comment: https://git.openjdk.org/jdk25u-dev/pull/272#issuecomment-3919726551