static __poll_t cgroup_pressure_poll(struct kernfs_open_file *of,
					  poll_table *pt)
{
	struct cgroup_file_ctx *ctx = of->priv;

	return psi_trigger_poll(&ctx->psi.trigger, of->file, pt);
}
static __poll_t cgroup_pressure_poll(struct kernfs_open_file *of,
					  poll_table *pt)
{
	struct cgroup_file_ctx *ctx = of->priv;

	return psi_trigger_poll(&ctx->psi.trigger, of->file, pt);
}