I'll not comment on your judgment of "lazy" ...In contrast to your example where you say selinux=disabled causes the "Invalid argument" error, in my example, I ... [by kallen]
on 08/15/2012 – Made popular on 08/15/2012
I install cm10.2 rom into my acer a500 last week.
And I found the ram usage over 97%.
Some people would use swapper or ram expander by using swapfile.
Therefore, I use ram expander and grant "ram expander" as superuser privileges.
And the screen appears "invalid argument".
I went to the console terminal with the command "su -" and "chmod 777