From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751996AbeBZVxC (ORCPT ); Mon, 26 Feb 2018 16:53:02 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:50872 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751845AbeBZVwx (ORCPT ); Mon, 26 Feb 2018 16:52:53 -0500 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: 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, "Liu, Changcheng" , "Paul E. McKenney" Subject: [PATCH tip/core/rcu 13/20] rcu: Remove redundant nxttail index macro define Date: Mon, 26 Feb 2018 13:53:03 -0800 X-Mailer: git-send-email 2.5.2 In-Reply-To: <20180226215219.GA27379@linux.vnet.ibm.com> References: <20180226215219.GA27379@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18022621-0040-0000-0000-000003FD5BDA X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008601; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000254; SDB=6.00995530; UDB=6.00506033; IPR=6.00774858; MB=3.00019751; MTD=3.00000008; XFM=3.00000015; UTC=2018-02-26 21:52:49 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18022621-0041-0000-0000-000007FE65E9 Message-Id: <1519681990-31349-13-git-send-email-paulmck@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-02-26_07:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1802260274 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Liu, Changcheng" RCU's nxttail has been optimized to be a rcu_segcblist, which is a multi-tailed linked list with macros defined for the indexes for each tail. The indexes have been defined in linux/rcu_segcblist.h, so this commit removes the redundant definitions in kernel/rcu/tree.h. Signed-off-by: Liu Changcheng Signed-off-by: Paul E. McKenney --- kernel/rcu/tree.h | 7 ------- 1 file changed, 7 deletions(-) diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 2edd56397b00..f491ab4f2e8e 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -178,13 +178,6 @@ union rcu_noqs { u16 s; /* Set of bits, aggregate OR here. */ }; -/* Index values for nxttail array in struct rcu_data. */ -#define RCU_DONE_TAIL 0 /* Also RCU_WAIT head. */ -#define RCU_WAIT_TAIL 1 /* Also RCU_NEXT_READY head. */ -#define RCU_NEXT_READY_TAIL 2 /* Also RCU_NEXT head. */ -#define RCU_NEXT_TAIL 3 -#define RCU_NEXT_SIZE 4 - /* Per-CPU data for read-copy update. */ struct rcu_data { /* 1) quiescent-state and grace-period handling : */ -- 2.5.2