yes you can. Move the file to event.d folder Xterminal: root mv /path/to/custom_swappiness /etc/event.d Done! ==== I got to say, first time ever!! Since I've got my N900, that I haven't been charging it last night. My battery still 36% after 1Day and 10hours This surely is an improvement. The downside is the RAM usage is about 30MB higher than before but less SWAP usage (77MB). The device seems snappier and better transitions