ZRAM-GENERATOR(8) System Manager's Manual ZRAM-GENERATOR(8) (NAME) zram-generator - systemd zram (SYNOPSIS) /usr/lib/systemd/system-generators/zram-generator TARGET_DIR [2RGET_DIR 3RGET_DIR] /usr/lib/systemd/system-generators/zram-generator --setup-device DEVICE /usr/lib/systemd/system-generators/zram-generator --reset-device DEVICE (DESCRIPTION) zram-generator systemd (compressed RAM) (swap) . (boot) systemd : 1. {/etc,/lib}/systemd/zram-generator.conf[.d] ( zram-generator.conf(5) ) 2. systemd.swap(5) / systemd.mount(5) TARGET_DIR swap.target local-fs.target 3. zram . ( systemd-detect-virt(8) --container ) . systemd.zram . zram-generator.conf(5) . ZRAM_GENERATOR_ROOT 3 . ZRAM_GENERATOR_ROOT zram-generator.conf(5) . dev-zramN.swap systemd-zram-setup@zramN.service : 1. {/etc,/lib}/systemd/zram-generator.conf[.d] ( zram-generator.conf(5) ) 2. ( ) 3. (blockdev) systemd-makefs(8). path-to-mount-point.mount systemd-zram-setup@zramN.service . . zram . zram-generator systemd.generator(7) . (Applying config changes) (reboot) . . zram . . systemctl restart systemd-zram-setup@zramN systemctl restart systemd-zram-setup@* . ( restart .) ( ) systemctl daemon-reload systemd . daemon-reload systemd . (REPORTING BUGS) https://github.com/systemd/zram-generator/issues (SEE ALSO) zram-generator.conf(5), systemd.generator(7), systemd.swap(5) https://github.com/systemd/zram-generator zram: https://kernel.org/doc/html/latest/admin-guide/blockdev/zram.html sysfs ABI zram: https://kernel.org/doc/Documentation/ABI/testing/sysfs-block-zram zram-generator developers December 2024 ZRAM-GENERATOR(8)