Raspberry Pi: changing the memory split on Arch linux

Changing the memory split between ARM and GPU on the Raspberry Pi running Arch linux is simple. Just execute the following commands:

  • Open the config file:

    sudo vim /boot/config.txt


  • Change the gpumem settings: * gpumem_256: GPU memory in megabyte for the 256 MB Raspberry Pi. (min:16 - max 192)
    • gpumem512: GPU memory in megabyte for the 512 MB Raspberry Pi. (min 16 - max 448)
  • Reboot
    `sudo reboot