Re: [patch] export percpu cpuacct cgroup stats

[Li Zefan]

> +static int cpuacct_percpu_seq_read(struct cgroup *cgroup, struct cftype *cft,
> +				   struct seq_file *m)
> +{
> +	struct cpuacct *ca = cgroup_ca(cgroup);
> +	u64 percpu;
> +	int i;
> +
> +	for_each_possible_cpu(i) {
> +		spin_lock_irq(&cpu_rq(i)->lock);
> +		percpu = *percpu_ptr(ca->cpuusage, i);
> +		spin_unlock_irq(&cpu_rq(i)->lock);
> +		seq_printf(m, "%llu ", percpu);

Should be:
+		seq_printf(m, "%llu ", (unsigned long long)percpu);

Otherwsise:
kernel/sched.c: In function ‘cpuacct_percpu_seq_read’:
kernel/sched.c:9359: warning: format ‘%llu’ expects type ‘long long unsigned int’, but argument 3 has type ‘u64’

> +	}
> +	seq_printf(m, "\n");
> +	return 0;
> +}

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