for the love of god, NO, and its not mtd5 either, if you would have tried that then you would have permanently bricked your device in a state that even re-flash couldn't rescue. So maybe I'll give a bit better hints before people start bricking their devices, its mtd4("var"), so the patch would look like this: http://pastebin.com/raw.php?i=8rS81vUX (And remember to resign refhashlist with right sha1, or you malf your device)
ramz=64 * 1024