From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754837Ab2JIDoU (ORCPT ); Mon, 8 Oct 2012 23:44:20 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:48134 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1754598Ab2JIDoS (ORCPT ); Mon, 8 Oct 2012 23:44:18 -0400 X-IronPort-AV: E=Sophos;i="4.80,558,1344182400"; d="scan'208";a="5964969" From: Lai Jiangshan To: linux-kernel@vger.kernel.org Cc: Lai Jiangshan , Al Viro , Rusty Russell , Andrew Morton , Andi Kleen Subject: [PATCH 1/3] lglock: remove unused DEFINE_LGLOCK_LOCKDEP() Date: Tue, 9 Oct 2012 11:46:38 +0800 Message-Id: <1349754403-4798-1-git-send-email-laijs@cn.fujitsu.com> X-Mailer: git-send-email 1.7.4.4 X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/10/09 11:44:08, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/10/09 11:44:09, Serialize complete at 2012/10/09 11:44:09 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org struct lglocks use their own lock_key/lock_dep_map which are defined in struct lglock. DEFINE_LGLOCK_LOCKDEP() is unused now, so we remove it and save a small piece of memory. Signed-off-by: Lai Jiangshan --- include/linux/lglock.h | 9 --------- 1 files changed, 0 insertions(+), 9 deletions(-) diff --git a/include/linux/lglock.h b/include/linux/lglock.h index f01e5f6..45eff71 100644 --- a/include/linux/lglock.h +++ b/include/linux/lglock.h @@ -36,16 +36,8 @@ #ifdef CONFIG_DEBUG_LOCK_ALLOC #define LOCKDEP_INIT_MAP lockdep_init_map - -#define DEFINE_LGLOCK_LOCKDEP(name) \ - struct lock_class_key name##_lock_key; \ - struct lockdep_map name##_lock_dep_map; \ - EXPORT_SYMBOL(name##_lock_dep_map) - #else #define LOCKDEP_INIT_MAP(a, b, c, d) - -#define DEFINE_LGLOCK_LOCKDEP(name) #endif struct lglock { @@ -57,7 +49,6 @@ struct lglock { }; #define DEFINE_LGLOCK(name) \ - DEFINE_LGLOCK_LOCKDEP(name); \ DEFINE_PER_CPU(arch_spinlock_t, name ## _lock) \ = __ARCH_SPIN_LOCK_UNLOCKED; \ struct lglock name = { .lock = &name ## _lock } -- 1.7.4.4