From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/include/linux/rcu_segcblist.h | 28 +++++++++++-----------------
1 files changed, 11 insertions(+), 17 deletions(-)
diff --git a/kernel/include/linux/rcu_segcblist.h b/kernel/include/linux/rcu_segcblist.h
index c3ad00e..b36afe7 100644
--- a/kernel/include/linux/rcu_segcblist.h
+++ b/kernel/include/linux/rcu_segcblist.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* RCU segmented callback lists
*
@@ -5,34 +6,22 @@
* because the size of the TREE SRCU srcu_struct structure depends
* on these definitions.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, you can access it online at
- * http://www.gnu.org/licenses/gpl-2.0.html.
- *
* Copyright IBM Corporation, 2017
*
- * Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+ * Authors: Paul E. McKenney <paulmck@linux.net.ibm.com>
*/
#ifndef __INCLUDE_LINUX_RCU_SEGCBLIST_H
#define __INCLUDE_LINUX_RCU_SEGCBLIST_H
+
+#include <linux/types.h>
+#include <linux/atomic.h>
/* Simple unsegmented callback lists. */
struct rcu_cblist {
struct rcu_head *head;
struct rcu_head **tail;
long len;
- long len_lazy;
};
#define RCU_CBLIST_INITIALIZER(n) { .head = NULL, .tail = &n.head }
@@ -78,8 +67,13 @@
struct rcu_head *head;
struct rcu_head **tails[RCU_CBLIST_NSEGS];
unsigned long gp_seq[RCU_CBLIST_NSEGS];
+#ifdef CONFIG_RCU_NOCB_CPU
+ atomic_long_t len;
+#else
long len;
- long len_lazy;
+#endif
+ u8 enabled;
+ u8 offloaded;
};
#define RCU_SEGCBLIST_INITIALIZER(n) \
--
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