Enable zram on EL9

roles/el/files/zram-generator.conf

@@ -0,0 +1,9 @@
+# This config file enables a /dev/zram0 device with the default settings:
+# — size — same as available RAM or 8GB, whichever is less
+# — compression — most likely lzo-rle
+#
+# To disable, uninstall zram-generator-defaults or create empty
+# /etc/systemd/zram-generator.conf file.
+[zram0]
+zram-fraction = 1.0
+max-zram-size = 8192

roles/el/tasks/main.yml

@@ -21,3 +21,4 @@
 - import_tasks: solokeys.yml
 - import_tasks: packagekit.yml
 - import_tasks: vscode.yml
+- import_tasks: zram.yml

roles/el/tasks/packages-cli.yml

@@ -71,4 +71,5 @@
       - podman
       - toolbox
       - wireguard-tools
+      - zram-generator
   when: ansible_distribution_major_version == '9'

roles/el/tasks/zram.yml

@@ -0,0 +1,20 @@
+---
+# Copyright 2021 Anthony Perkins
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+- name: Install zram-generator.conf
+  become: true
+  ansible.builtin.copy:
+    src: zram-generator.conf
+    dest: /etc/systemd/zram-generator.conf