From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754640AbbAXOKk (ORCPT ); Sat, 24 Jan 2015 09:10:40 -0500 Received: from mail-qg0-f47.google.com ([209.85.192.47]:61905 "EHLO mail-qg0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753595AbbAXOEE (ORCPT ); Sat, 24 Jan 2015 09:04:04 -0500 From: Tejun Heo To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Tejun Heo , Tony Luck , Fenghua Yu , linux-ia64@vger.kernel.org Subject: [PATCH 10/32] ia64: use %*pb[l] to print bitmaps including cpumasks and nodemasks Date: Sat, 24 Jan 2015 09:03:16 -0500 Message-Id: <1422108218-25398-11-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 Cc: Tony Luck Cc: Fenghua Yu Cc: linux-ia64@vger.kernel.org --- arch/ia64/kernel/topology.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c index f295f9a..965ab42 100644 --- a/arch/ia64/kernel/topology.c +++ b/arch/ia64/kernel/topology.c @@ -217,14 +217,12 @@ static ssize_t show_number_of_sets(struct cache_info *this_leaf, char *buf) static ssize_t show_shared_cpu_map(struct cache_info *this_leaf, char *buf) { - ssize_t len; cpumask_t shared_cpu_map; cpumask_and(&shared_cpu_map, &this_leaf->shared_cpu_map, cpu_online_mask); - len = cpumask_scnprintf(buf, NR_CPUS+1, &shared_cpu_map); - len += sprintf(buf+len, "\n"); - return len; + return scnprintf(buf, PAGE_SIZE, "%*pb\n", + cpumask_pr_args(&shared_cpu_map)); } static ssize_t show_type(struct cache_info *this_leaf, char *buf) -- 2.1.0