# SPDX-License-Identifier: GPL-2.0-only
[Unit]
Description=swap with zram
DefaultDependencies=no
Before=swap.target

[Service]
Type=oneshot
RemainAfterExit=true

# Change the maximal number of parallel streams (-s), algorithm (-a) and
# size (in megabytes) to your needs.
# (In the example the size is half of the available ram.)
# Make sure to avoid collision of devices (-d...) with
# zram_tmp.service and zram_var_tmp.service and that
# num_devices in modprobe.d/zram.conf contains the maximal used number + 1

ExecStartPre=-/sbin/modprobe zram
ExecStart=/bin/sh -c "exec /usr/sbin/zram-init -azstd -Lzram_swap `zram-size-calc`"
ExecStop=/usr/sbin/zram-init 0

[Install]
WantedBy=swap.target