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zramctl

Setup and control zram devices. Use mke2fs or mkswap to format zram devices to partitions.

Check if zram is enabled:

lsmod | grep -i zram

Enable zram with 2 devices (use zramctl to configure the devices further):

sudo modprobe zram num_devices={{2}}

Find and initialise the next free zram device to a 2GB virtual drive using LZ4 compression:

sudo zramctl --find --size {{2GB}} --algorithm {{lz4}}

List currently initialised devices:

zramctl