- name: Disable_THP
  hosts: all:!splunk_uf_Windows
  become: yes
  become_user: root
  vars:
    THP_enable: "echo never > /sys/kernel/mm/transparent_hugepage/enabled"
    THP_defrag: "echo never > /sys/kernel/mm/transparent_hugepage/defrag"

  tasks:
    - name: Disable_THP_Enable
      shell: "{{ THP_enable }}"

    - name: Disable_THP_defrag
      shell: "{{ THP_defrag }}"

    - name: Rendre persistante les modifications lors d'un redémarrage
      lineinfile:
        path: /etc/rc.local
        line: |
          #disable THP at boot time
          if test -f /sys/kernel/mm/transparent_hugepage/enabled; then
                echo never > /sys/kernel/mm/transparent_hugepage/enabled
          fi
          if test -f /sys/kernel/mm/transparent_hugepage/defrag; then
                echo never > /sys/kernel/mm/transparent_hugepage/defrag
          fi