From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932946AbbIYSXA (ORCPT ); Fri, 25 Sep 2015 14:23:00 -0400 Received: from mail-la0-f42.google.com ([209.85.215.42]:36181 "EHLO mail-la0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932764AbbIYSWw (ORCPT ); Fri, 25 Sep 2015 14:22:52 -0400 From: Rasmus Villemoes To: Thomas Gleixner , Oleg Nesterov , "Paul E. McKenney" , Rusty Russell , Greg Kroah-Hartman , "K. Y. Srinivasan" , "Peter Zijlstra (Intel)" , Vitaly Kuznetsov , Mathias Krause Cc: Rasmus Villemoes , linux-kernel@vger.kernel.org Subject: [PATCH 2/5] kernel/cpu.c: export __cpu_*_mask Date: Fri, 25 Sep 2015 20:22:24 +0200 Message-Id: <1443205347-13634-3-git-send-email-linux@rasmusvillemoes.dk> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1443205347-13634-1-git-send-email-linux@rasmusvillemoes.dk> References: <1443205347-13634-1-git-send-email-linux@rasmusvillemoes.dk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Exporting the cpumasks __cpu_possible_mask and friends will allow us to remove the extra indirection through the cpu_*_mask variables. It will also allow the set_cpu_* functions to become static inlines, which will give a .text reduction. Signed-off-by: Rasmus Villemoes --- include/linux/cpumask.h | 4 ++++ kernel/cpu.c | 14 +++++++++----- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 59915ea5373c..d4545a1852f2 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -89,6 +89,10 @@ extern const struct cpumask *const cpu_possible_mask; extern const struct cpumask *const cpu_online_mask; extern const struct cpumask *const cpu_present_mask; extern const struct cpumask *const cpu_active_mask; +extern struct cpumask __cpu_possible_mask; +extern struct cpumask __cpu_online_mask; +extern struct cpumask __cpu_present_mask; +extern struct cpumask __cpu_active_mask; #if NR_CPUS > 1 #define num_online_cpus() cpumask_weight(cpu_online_mask) diff --git a/kernel/cpu.c b/kernel/cpu.c index fea4a3ce3011..e08db26d351b 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -772,23 +772,27 @@ const DECLARE_BITMAP(cpu_all_bits, NR_CPUS) = CPU_BITS_ALL; EXPORT_SYMBOL(cpu_all_bits); #ifdef CONFIG_INIT_ALL_POSSIBLE -static struct cpumask __cpu_possible_mask __read_mostly +struct cpumask __cpu_possible_mask __read_mostly = {CPU_BITS_ALL}; #else -static struct cpumask __cpu_possible_mask __read_mostly; +struct cpumask __cpu_possible_mask __read_mostly; #endif +EXPORT_SYMBOL(__cpu_possible_mask); const struct cpumask *const cpu_possible_mask = &__cpu_possible_mask; EXPORT_SYMBOL(cpu_possible_mask); -static struct cpumask __cpu_online_mask __read_mostly; +struct cpumask __cpu_online_mask __read_mostly; +EXPORT_SYMBOL(__cpu_online_mask); const struct cpumask *const cpu_online_mask = &__cpu_online_mask; EXPORT_SYMBOL(cpu_online_mask); -static struct cpumask __cpu_present_mask __read_mostly; +struct cpumask __cpu_present_mask __read_mostly; +EXPORT_SYMBOL(__cpu_present_mask); const struct cpumask *const cpu_present_mask = &__cpu_present_mask; EXPORT_SYMBOL(cpu_present_mask); -static struct cpumask __cpu_active_mask __read_mostly; +struct cpumask __cpu_active_mask __read_mostly; +EXPORT_SYMBOL(__cpu_active_mask); const struct cpumask *const cpu_active_mask = &__cpu_active_mask; EXPORT_SYMBOL(cpu_active_mask); -- 2.1.3