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systemd/oomd: add release note for the backward incompatibility

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SaltyKitkat 2023-12-14 16:38:29 +08:00
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nixos/doc/manual/release-notes/rl-2405.section.md
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@ -41,6 +41,17 @@ The pre-existing [services.ankisyncd](#opt-services.ankisyncd.enable) has been m
`CONFIG_FILE_NAME` includes `bpf_pinning`, `ematch_map`, `group`, `nl_protos`, `rt_dsfield`, `rt_protos`, `rt_realms`, `rt_scopes`, and `rt_tables`.
- The `systemd.oomd` module behavior is changed as:
- Raise ManagedOOMMemoryPressureLimit from 50% to 80%. This should make systemd-oomd kill things less often, and fix issues like [this](https://pagure.io/fedora-workstation/issue/358).
Reference: [commit](https://src.fedoraproject.org/rpms/systemd/c/806c95e1c70af18f81d499b24cd7acfa4c36ffd6?branch=806c95e1c70af18f81d499b24cd7acfa4c36ffd6)
- Remove swap policy. This helps prevent killing processes when user's swap is small.
- Expand the memory pressure policy to system.slice, user-.slice, and all user owned slices. Reference: [commit](https://src.fedoraproject.org/rpms/systemd/c/7665e1796f915dedbf8e014f0a78f4f576d609bb)
- `systemd.oomd.enableUserServices` is renamed to `systemd.oomd.enableUserSlices`.
## Other Notable Changes {#sec-release-24.05-notable-changes}
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