[PATCH 07/12] cgroup: unify cgroup_write_X64() and cgroup_write_string()

[Li Zefan]

> Handling a memcg OOM from userspace running inside that OOM memcg is
> completely crazy.  I mean, think about this for just two seconds...
> Really?
> 
> I get that people are doing it right now, and if you can get away with
> it for now, good for you.  But you have to be aware how crazy this is
> and if it breaks you get to keep the pieces and we are not going to
> accomodate this in the kernel.  Fix your crazy userspace.

+1