> +Other fields in the container_subsys object include:

> +- hierarchy: an index indicating which hierarchy, if any, this
> +  subsystem is currently attached to. If this is -1, then the
> +  subsystem is not attached to any hierarchy, and all tasks should be
> +  considered to be members of the subsystem's top_container. It should
> +  be initialized to -1.

stale info?

> +struct container {

> +	struct containerfs_root *root;
> +	struct container *top_container;
> +};

can cont->top_container be different from than &cont->root.top_container?

YAMAMOTO Takashi
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