blob: 1447882ae49725663a160ed2d7a106690dd67e9b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* mm/zswapd_internal.h
*
* Copyright (c) 2020-2022 Huawei Technologies Co., Ltd.
*/
#ifndef _ZSWAPD_INTERNAL_H
#define _ZSWAPD_INTERNAL_H
enum zswapd_pressure_level {
LEVEL_LOW = 0,
LEVEL_MEDIUM,
LEVEL_CRITICAL,
LEVEL_COUNT
};
enum zswapd_eswap_policy {
CHECK_BUFFER_ONLY = 0,
CHECK_BUFFER_ZRAMRATIO_BOTH
};
void zswapd_pressure_report(enum zswapd_pressure_level level);
inline unsigned int get_zram_wm_ratio(void);
inline unsigned int get_compress_ratio(void);
inline unsigned int get_avail_buffers(void);
inline unsigned int get_min_avail_buffers(void);
inline unsigned int get_high_avail_buffers(void);
inline unsigned int get_zswapd_max_reclaim_size(void);
inline unsigned int get_inactive_file_ratio(void);
inline unsigned int get_active_file_ratio(void);
inline unsigned long long get_area_anon_refault_threshold(void);
inline unsigned long long get_anon_refault_snapshot_min_interval(void);
inline unsigned long long get_empty_round_skip_interval(void);
inline unsigned long long get_max_skip_interval(void);
inline unsigned long long get_empty_round_check_threshold(void);
inline unsigned long long get_zram_critical_threshold(void);
u64 memcg_data_size(struct mem_cgroup *memcg, int type);
u64 swapin_memcg(struct mem_cgroup *memcg, u64 req_size);
#endif /* MM_ZSWAPD_INTERNAL_H */
|
