[jdk25u-dev] Integrated: 8370572: Cgroups hierarchical memory limit is not honored after JDK-8322420

[Severin Gehwolf]

On Thu, 11 Dec 2025 11:38:27 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

> Unclean backport of JDK-8370572 since JDK-8292984 is not in 25u (a cleanup patch). That change basically renames `phys_mem` to `upper_bound`. Not really critical to get JDK-8292984 into 25u.
> 
> Please review!
> 
> Testing:
> - [x] GHA
> - [x] Container tests on Linux x86_64 on cgroups v1 including the test from JDK-8370966 ([see dependent PR](https://github.com/openjdk/jdk25u-dev/pull/77)). Also checked container tests on cgroups v2 for sanity. This patch is a no-op there.

This pull request has now been integrated.

Changeset: 5a08f945
Author:    Severin Gehwolf <sgehwolf at openjdk.org>
URL:       https://git.openjdk.org/jdk25u-dev/commit/5a08f945f250c27afe533ca5a7c796699eb63d91
Stats:     33 lines in 3 files changed: 22 ins; 3 del; 8 mod

8370572: Cgroups hierarchical memory limit is not honored after JDK-8322420

Reviewed-by: shade, phh
Backport-of: c49a94bf89876c4d6c777a9452618afa564c5c23

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PR: https://git.openjdk.org/jdk25u-dev/pull/76