Option to ignore oom_score completely

[hakavlad]

In my case there's a lot of memory-eager applications which sets themselves oom_score_adj=-1000 and therefore I keep getting xfce4-notifyd (with 25M VmRSS) killed first which occasionally gets an oom_score value of 1 instead of the process that actually ate all of my ram and triggered -m limits (but keeps its oom_score at 0).
I don't really know is that a common problem but anyway, in my opinion it'll be good to have an option to decide which process to kill based exclusively on VmRSS value

rfjakob/earlyoom#140