34 lines
1 KiB
C
34 lines
1 KiB
C
|
/*
|
||
|
|
* slowpath_count.h
|
||
|
|
*
|
||
|
|
* Provide slowpath_count external call interface
|
||
|
|
*
|
||
|
|
* Copyright (c) 2001-2021, Huawei Tech. Co., Ltd. All rights reserved.
|
||
|
|
*
|
||
|
|
* Chenjun <chenjun@hisilicon.com>
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef SLOWPATH_COUNT_H
|
||
|
|
#define SLOWPATH_COUNT_H
|
||
|
|
|
||
|
|
#ifdef CONFIG_HUAWEI_SLOW_PATH_COUNT
|
||
|
|
#define ORDER_LIMIT 5
|
||
|
|
extern void pgalloc_count_inc(bool is_slowpath, unsigned int order);
|
||
|
|
extern atomic_long_t slowpath_pgalloc_count[ORDER_LIMIT];
|
||
|
|
extern atomic_long_t pgalloc_count;
|
||
|
|
#else
|
||
|
|
static inline void pgalloc_count_inc(bool is_slowpath, unsigned int order) {}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|