From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753446Ab2DXL05 (ORCPT ); Tue, 24 Apr 2012 07:26:57 -0400 Received: from orion.tchmachines.com ([208.76.84.200]:54089 "EHLO orion.tchmachines.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753157Ab2DXL04 (ORCPT ); Tue, 24 Apr 2012 07:26:56 -0400 From: Vlad Zolotarov Organization: ScaleMP Ltd. To: "linux-kernel" Subject: [PATCH] fs: Move bh_cachep to the __read_mostly section Date: Tue, 24 Apr 2012 14:22:22 +0300 User-Agent: KMail/1.13.5 (Linux/2.6.32-40-generic; KDE/4.4.5; i686; ; ) Cc: alan@lxorguk.ukuu.org.uk, "Shai Fultheim (Shai@ScaleMP.com)" , "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201204241422.23065.vlad@scalemp.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - orion.tchmachines.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - scalemp.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Shai Fultheim bh_cachep is only written to once on initialization, so move it to the __read_mostly section. Signed-off-by: Shai Fultheim Signed-off-by: Vlad Zolotarov --- fs/buffer.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index 36d6665..a1d82fb 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -3151,7 +3151,7 @@ SYSCALL_DEFINE2(bdflush, int, func, long, data) /* * Buffer-head allocation */ -static struct kmem_cache *bh_cachep; +static struct kmem_cache *bh_cachep __read_mostly; /* * Once the number of bh's in the machine exceeds this level, we start -- 1.7.7.6