From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754262AbbAXOEi (ORCPT ); Sat, 24 Jan 2015 09:04:38 -0500 Received: from mail-qa0-f45.google.com ([209.85.216.45]:39316 "EHLO mail-qa0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754080AbbAXOEa (ORCPT ); Sat, 24 Jan 2015 09:04:30 -0500 From: Tejun Heo To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Tejun Heo Subject: [PATCH 27/32] mm: use %*pb[l] to print bitmaps including cpumasks and nodemasks Date: Sat, 24 Jan 2015 09:03:33 -0500 Message-Id: <1422108218-25398-28-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 --- mm/mempolicy.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 0e0961b..b8a6907 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2838,8 +2838,7 @@ void mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol) p += snprintf(p, buffer + maxlen - p, "relative"); } - if (!nodes_empty(nodes)) { - p += snprintf(p, buffer + maxlen - p, ":"); - p += nodelist_scnprintf(p, buffer + maxlen - p, nodes); - } + if (!nodes_empty(nodes)) + p += scnprintf(p, buffer + maxlen - p, ":%*pbl", + nodemask_pr_args(&nodes)); } -- 2.1.0