From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754324AbbAXOEl (ORCPT ); Sat, 24 Jan 2015 09:04:41 -0500 Received: from mail-qa0-f50.google.com ([209.85.216.50]:64973 "EHLO mail-qa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754117AbbAXOEd (ORCPT ); Sat, 24 Jan 2015 09:04:33 -0500 From: Tejun Heo To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Tejun Heo Subject: [PATCH 29/32] proc: use %*pb[l] to print bitmaps including cpumasks and nodemasks Date: Sat, 24 Jan 2015 09:03:35 -0500 Message-Id: <1422108218-25398-30-git-send-email-tj@kernel.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1422108218-25398-1-git-send-email-tj@kernel.org> References: <1422108218-25398-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org printk and friends can now formap 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. This patch is dependent on the following two patches. lib/vsprintf: implement bitmap printing through '%*pb[l]' cpumask, nodemask: implement cpumask/nodemask_pr_args() Please wait till the forementioned patches are merged to mainline before applying to subsystem trees. Signed-off-by: Tejun Heo Cc: Andrew Morton --- fs/proc/array.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/fs/proc/array.c b/fs/proc/array.c index bd117d0..41fd02b 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -336,12 +336,10 @@ 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, -- 2.1.0