Integrated: Coalesce and fill dead objects after class unloading

William Kemper wkemper at openjdk.java.net
Tue Feb 8 17:52:45 UTC 2022


On Tue, 8 Feb 2022 16:48:05 GMT, William Kemper <wkemper at openjdk.org> wrote:

> This reverts a recent change to coalesce and fill dead objects immediately after final mark. These objects cannot be filled until after class unloading to support a use case where the LRB needs to access from-space objects. So, rather than coalesce and fill during the concurrent mark phase, we move it to the evacuation phase of a degenerated cycle.

This pull request has now been integrated.

Changeset: c4bafaeb
Author:    William Kemper <wkemper at openjdk.org>
URL:       https://git.openjdk.java.net/shenandoah/commit/c4bafaebea4f85e35c025b2205d7978213ce66e1
Stats:     15 lines in 2 files changed: 8 ins; 7 del; 0 mod

Coalesce and fill dead objects after class unloading

Reviewed-by: kdnilsen

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PR: https://git.openjdk.java.net/shenandoah/pull/111


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