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)

    ...
    gpu_mem_512=16
    gpu_mem_256=128
    ...
    

• Reboot

  `sudo reboot