From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06AD2C433E1 for ; Tue, 23 Jun 2020 00:22:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1EC420702 for ; Tue, 23 Jun 2020 00:22:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592871755; bh=L2y6WsRc1VL94lPLYQQt9gYYbdxRkdtH9oSrKqqAucM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=l65qnwUVBqjzULX+y/eg4YTyD8CHiosgxhvpap6JqJGJwINCIG9+eNXirJHcwQC1t MJr4m0D4JkAIe8AYp9mjgg1fuf433tCNeTRJsFtK75T6wDLaKJlfQfGIMShb4/00s2 WVB3at+v7ISqb3+eQ1EuRebpMYSo3UPJp7EMgp/Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731696AbgFWAW2 (ORCPT ); Mon, 22 Jun 2020 20:22:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:48606 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731571AbgFWAVx (ORCPT ); Mon, 22 Jun 2020 20:21:53 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 55EEB20781; Tue, 23 Jun 2020 00:21:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592871713; bh=L2y6WsRc1VL94lPLYQQt9gYYbdxRkdtH9oSrKqqAucM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kh7SXq8VIhRfMtV3uaDi/EZkWrxccDjjoDlN0AW4NJrKWUhn6wWhbGUJh1rEmF+fd 10OarY1rKYD809lBsSjrTGm69s55h3c8Jy6PajwTz4DlRhtKbPlFL6pjCRglkRW4jY 5oAqWfeOw586bI6pmHFyWtqkbtd7MiOnC2wGVqE4= From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, Wei Yang , "Paul E . McKenney" Subject: [PATCH tip/core/rcu 20/26] rcu: gp_max is protected by root rcu_node's lock Date: Mon, 22 Jun 2020 17:21:41 -0700 Message-Id: <20200623002147.25750-20-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20200623002128.GA25456@paulmck-ThinkPad-P72> References: <20200623002128.GA25456@paulmck-ThinkPad-P72> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Wei Yang gp_max is protected by root rcu_node's lock, let's move the definition to the place where comments indicate. Signed-off-by: Wei Yang Signed-off-by: Paul E. McKenney --- kernel/rcu/tree.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 575745f..09ec93b 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -302,6 +302,8 @@ struct rcu_state { u8 boost ____cacheline_internodealigned_in_smp; /* Subject to priority boost. */ unsigned long gp_seq; /* Grace-period sequence #. */ + unsigned long gp_max; /* Maximum GP duration in */ + /* jiffies. */ struct task_struct *gp_kthread; /* Task for grace periods. */ struct swait_queue_head gp_wq; /* Where GP task waits. */ short gp_flags; /* Commands for GP task. */ @@ -347,8 +349,6 @@ struct rcu_state { /* a reluctant CPU. */ unsigned long n_force_qs_gpstart; /* Snapshot of n_force_qs at */ /* GP start. */ - unsigned long gp_max; /* Maximum GP duration in */ - /* jiffies. */ const char *name; /* Name of structure. */ char abbr; /* Abbreviated name. */ -- 2.9.5