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| 1 | +/* SPDX-License-Identifier: GPL-2.0+ */ |
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1 | 2 | /* |
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2 | 3 | * RCU segmented callback lists |
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3 | 4 | * |
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.. | .. |
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5 | 6 | * because the size of the TREE SRCU srcu_struct structure depends |
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6 | 7 | * on these definitions. |
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7 | 8 | * |
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8 | | - * This program is free software; you can redistribute it and/or modify |
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9 | | - * it under the terms of the GNU General Public License as published by |
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10 | | - * the Free Software Foundation; either version 2 of the License, or |
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11 | | - * (at your option) any later version. |
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12 | | - * |
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13 | | - * This program is distributed in the hope that it will be useful, |
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14 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | | - * GNU General Public License for more details. |
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17 | | - * |
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18 | | - * You should have received a copy of the GNU General Public License |
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19 | | - * along with this program; if not, you can access it online at |
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20 | | - * http://www.gnu.org/licenses/gpl-2.0.html. |
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21 | | - * |
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22 | 9 | * Copyright IBM Corporation, 2017 |
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23 | 10 | * |
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24 | | - * Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> |
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| 11 | + * Authors: Paul E. McKenney <paulmck@linux.net.ibm.com> |
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25 | 12 | */ |
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26 | 13 | |
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27 | 14 | #ifndef __INCLUDE_LINUX_RCU_SEGCBLIST_H |
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28 | 15 | #define __INCLUDE_LINUX_RCU_SEGCBLIST_H |
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| 16 | + |
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| 17 | +#include <linux/types.h> |
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| 18 | +#include <linux/atomic.h> |
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29 | 19 | |
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30 | 20 | /* Simple unsegmented callback lists. */ |
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31 | 21 | struct rcu_cblist { |
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32 | 22 | struct rcu_head *head; |
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33 | 23 | struct rcu_head **tail; |
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34 | 24 | long len; |
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35 | | - long len_lazy; |
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36 | 25 | }; |
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37 | 26 | |
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38 | 27 | #define RCU_CBLIST_INITIALIZER(n) { .head = NULL, .tail = &n.head } |
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.. | .. |
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78 | 67 | struct rcu_head *head; |
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79 | 68 | struct rcu_head **tails[RCU_CBLIST_NSEGS]; |
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80 | 69 | unsigned long gp_seq[RCU_CBLIST_NSEGS]; |
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| 70 | +#ifdef CONFIG_RCU_NOCB_CPU |
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| 71 | + atomic_long_t len; |
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| 72 | +#else |
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81 | 73 | long len; |
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82 | | - long len_lazy; |
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| 74 | +#endif |
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| 75 | + u8 enabled; |
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| 76 | + u8 offloaded; |
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83 | 77 | }; |
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84 | 78 | |
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85 | 79 | #define RCU_SEGCBLIST_INITIALIZER(n) \ |
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