[PATCH 11/12] memcg: rename cgroup_event to mem_cgroup_event

[Li Zefan]

>  /*
> + * DO NOT USE IN NEW FILES.
> + *
> + * "cgroup.event_control" implementation.
> + *
> + * This is way over-engineered.  It tries to support fully configureable

s/configureable/configurable

> + * events for each user.  Such level of flexibility is completely
> + * unnecessary especially in the light of the planned unified hierarchy.
> + *
> + * Please deprecate this and replace with something simpler if at all
> + * possible.
> + */
> +
> +/*