Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752224AbdF3NOo (ORCPT ); Fri, 30 Jun 2017 09:14:44 -0400 Received: from terminus.zytor.com ([65.50.211.136]:39847 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751666AbdF3NOn (ORCPT ); Fri, 30 Jun 2017 09:14:43 -0400 Date: Fri, 30 Jun 2017 06:10:11 -0700 From: tip-bot for Arvind Yadav Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, tglx@linutronix.de, peterz@infradead.org, torvalds@linux-foundation.org, mingo@kernel.org, arvind.yadav.cs@gmail.com Reply-To: mingo@kernel.org, torvalds@linux-foundation.org, peterz@infradead.org, arvind.yadav.cs@gmail.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, hpa@zytor.com In-Reply-To: References: To: linux-tip-commits@vger.kernel.org Subject: [tip:smp/hotplug] cpu/hotplug: Constify attribute_group structures Git-Commit-ID: 993647a293814dd47ae41d38657fda6e4ab04e33 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2006 Lines: 59 Commit-ID: 993647a293814dd47ae41d38657fda6e4ab04e33 Gitweb: http://git.kernel.org/tip/993647a293814dd47ae41d38657fda6e4ab04e33 Author: Arvind Yadav AuthorDate: Thu, 29 Jun 2017 17:40:47 +0530 Committer: Ingo Molnar CommitDate: Fri, 30 Jun 2017 09:34:39 +0200 cpu/hotplug: Constify attribute_group structures attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by work with const attribute_group. So mark the non-const structs as const: File size before: text data bss dec hex filename 12582 15361 20 27963 6d3b kernel/cpu.o File size After adding 'const': text data bss dec hex filename 12710 15265 20 27995 6d5b kernel/cpu.o Signed-off-by: Arvind Yadav Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: anna-maria@linutronix.de Cc: bigeasy@linutronix.de Cc: boris.ostrovsky@oracle.com Cc: rcochran@linutronix.de Link: http://lkml.kernel.org/r/f9079e94e12b36d245e7adbf67d312bc5d0250c6.1498737970.git.arvind.yadav.cs@gmail.com Signed-off-by: Ingo Molnar --- kernel/cpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/cpu.c b/kernel/cpu.c index d0f5f54..b69c058 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -1629,7 +1629,7 @@ static struct attribute *cpuhp_cpu_attrs[] = { NULL }; -static struct attribute_group cpuhp_cpu_attr_group = { +static const struct attribute_group cpuhp_cpu_attr_group = { .attrs = cpuhp_cpu_attrs, .name = "hotplug", NULL @@ -1661,7 +1661,7 @@ static struct attribute *cpuhp_cpu_root_attrs[] = { NULL }; -static struct attribute_group cpuhp_cpu_root_attr_group = { +static const struct attribute_group cpuhp_cpu_root_attr_group = { .attrs = cpuhp_cpu_root_attrs, .name = "hotplug", NULL