From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754856Ab3COQvr (ORCPT ); Fri, 15 Mar 2013 12:51:47 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:45621 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752232Ab3COQvq (ORCPT ); Fri, 15 Mar 2013 12:51:46 -0400 X-IronPort-AV: E=Sophos;i="4.84,852,1355068800"; d="scan'208";a="6880048" From: Lai Jiangshan To: "Paul E. McKenney" , Andrew Morton , linux-kernel@vger.kernel.org Cc: Lai Jiangshan , Robin Holt , Andrea Arcangeli , Gavin Shan , Sasha Levin , linux-mm@kvack.org Subject: [PATCH 3/9] mmu_notifier: use DEFINE_STATIC_SRCU() to define srcu struct Date: Sat, 16 Mar 2013 00:50:51 +0800 Message-Id: <1363366257-4886-4-git-send-email-laijs@cn.fujitsu.com> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1363366257-4886-1-git-send-email-laijs@cn.fujitsu.com> References: <1363366257-4886-1-git-send-email-laijs@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/16 00:50:25, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/16 00:50:26, Serialize complete at 2013/03/16 00:50:26 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DEFINE_STATIC_SRCU() defines srcu struct and do init at build time. also remove unneeded mmu_notifier_init(). Signed-off-by: Lai Jiangshan --- mm/mmu_notifier.c | 8 +------- 1 files changed, 1 insertions(+), 7 deletions(-) diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c index be04122..aa7c785 100644 --- a/mm/mmu_notifier.c +++ b/mm/mmu_notifier.c @@ -20,7 +20,7 @@ #include /* global SRCU for all MMs */ -static struct srcu_struct srcu; +DEFINE_STATIC_SRCU(srcu); /* * This function can't run concurrently against mmu_notifier_register @@ -326,9 +326,3 @@ void mmu_notifier_unregister(struct mmu_notifier *mn, struct mm_struct *mm) } EXPORT_SYMBOL_GPL(mmu_notifier_unregister); -static int __init mmu_notifier_init(void) -{ - return init_srcu_struct(&srcu); -} - -module_init(mmu_notifier_init); -- 1.7.4.4