Linux, Ramdisk.
rtextents=0`` With sectsz=4096, our system is now ready for zRAM mirroring. Basic commands with a zRAM device: # modprobe zram # zramctl --find --size 10G /dev/zram0 # pvcreate /dev/zram0 Physical volume "/dev/zram0" successfully created. # vgextend ol /dev/zram0 Volume group "ol" successfully