From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk1-f200.google.com (mail-qk1-f200.google.com [209.85.222.200]) by kanga.kvack.org (Postfix) with ESMTP id 35CD56B1B88 for ; Mon, 19 Nov 2018 13:56:53 -0500 (EST) Received: by mail-qk1-f200.google.com with SMTP id j125so4413591qke.12 for ; Mon, 19 Nov 2018 10:56:53 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id v40si4418652qtv.322.2018.11.19.10.56.52 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 19 Nov 2018 10:56:52 -0800 (PST) From: Waiman Long Subject: [PATCH v2 01/17] locking/lockdep: Remove version from lock_class structure Date: Mon, 19 Nov 2018 13:55:10 -0500 Message-Id: <1542653726-5655-2-git-send-email-longman@redhat.com> In-Reply-To: <1542653726-5655-1-git-send-email-longman@redhat.com> References: <1542653726-5655-1-git-send-email-longman@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Peter Zijlstra , Ingo Molnar , Will Deacon , Thomas Gleixner Cc: linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Petr Mladek , Sergey Senozhatsky , Andrey Ryabinin , Tejun Heo , Andrew Morton , Waiman Long It turns out the version field in the lock_class structure isn't used anywhere. Just remove it. Signed-off-by: Waiman Long --- include/linux/lockdep.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 1fd82ff..c5335df 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -97,8 +97,6 @@ struct lock_class { * Generation counter, when doing certain classes of graph walking, * to ensure that we check one node only once: */ - unsigned int version; - int name_version; const char *name; -- 1.8.3.1