#!/bin/sh

set -e
set -o xtrace

export DEBIAN_FRONTEND=noninteractive

cat > /lib/systemd/system/disable_transparent_huge_pages.service << '_EOF_'
[Unit]
Description=Disable Transparent Huge Pages

[Service]
Type=oneshot
ExecStart=/usr/bin/sh -c "/usr/bin/echo "never" | tee /sys/kernel/mm/transparent_hugepage/enabled"
ExecStart=/usr/bin/sh -c "/usr/bin/echo "never" | tee /sys/kernel/mm/transparent_hugepage/defrag"

[Install]
WantedBy=multi-user.target
_EOF_

systemctl daemon-reload
systemctl enable disable_transparent_huge_pages.service
systemctl start disable-transparent-huge-pages.service