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proc: use %*pb[l] to print bitmaps including cpumasks and nodemasks

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printk and friends can now format bitmaps using '%*pb[l]'.  cpumask
and nodemask also provide cpumask_pr_args() and nodemask_pr_args()
respectively which can be used to generate the two printf arguments
necessary to format the specified cpu/nodemask.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tejun Heo 2015-02-13 14:38:07 -08:00 • committed by Linus Torvalds
parent 4497da6f95
commit a0c2e07d6d
1 changed files with 4 additions and 6 deletions
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10
fs/proc/array.c
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@ -316,12 +316,10 @@ static inline void task_context_switch_counts(struct seq_file *m,
static void task_cpus_allowed(struct seq_file *m, struct task_struct *task)
{
seq_puts(m, "Cpus_allowed:\t");
seq_cpumask(m, &task->cpus_allowed);
seq_putc(m, '\n');
seq_puts(m, "Cpus_allowed_list:\t");
seq_cpumask_list(m, &task->cpus_allowed);
seq_putc(m, '\n');
seq_printf(m, "Cpus_allowed:\t%*pb\n",
cpumask_pr_args(&task->cpus_allowed));
seq_printf(m, "Cpus_allowed_list:\t%*pbl\n",
cpumask_pr_args(&task->cpus_allowed));
}
int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,