Integrated: 8346920: Serial: Support allocation in old generation when heap is almost full

[Albert Mingkun Yang]

On Thu, 23 Jan 2025 15:12:08 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> This PR restores the support for allocation in old-gen when heap is almost full, detected as non-empty young-gen after full gc, which was removed by mistake in [JDK-8333786](https://bugs.openjdk.org/browse/JDK-8333786). With this change, the benchmark attached to the ticket now completes in ~13 GC.
> 
> Test: tier1-5

This pull request has now been integrated.

Changeset: ad01dfb6
Author:    Albert Mingkun Yang <ayang at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/ad01dfb670215a35d4151c7129c9086888e1f9e8
Stats:     26 lines in 2 files changed: 22 ins; 2 del; 2 mod

8346920: Serial: Support allocation in old generation when heap is almost full

Reviewed-by: tschatzl, gli, sjohanss

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PR: https://git.openjdk.org/jdk/pull/23270