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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | #ifndef __LINUX_SWAP_CGROUP_H |
3 | #define __LINUX_SWAP_CGROUP_H |
4 | |
5 | #include <linux/swap.h> |
6 | |
7 | #if defined(CONFIG_MEMCG) && defined(CONFIG_SWAP) |
8 | |
9 | extern unsigned short swap_cgroup_cmpxchg(swp_entry_t ent, |
10 | unsigned short old, unsigned short new); |
11 | extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id, |
12 | unsigned int nr_ents); |
13 | extern unsigned short lookup_swap_cgroup_id(swp_entry_t ent); |
14 | extern int swap_cgroup_swapon(int type, unsigned long max_pages); |
15 | extern void swap_cgroup_swapoff(int type); |
16 | |
17 | #else |
18 | |
19 | static inline |
20 | unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id, |
21 | unsigned int nr_ents) |
22 | { |
23 | return 0; |
24 | } |
25 | |
26 | static inline |
27 | unsigned short lookup_swap_cgroup_id(swp_entry_t ent) |
28 | { |
29 | return 0; |
30 | } |
31 | |
32 | static inline int |
33 | swap_cgroup_swapon(int type, unsigned long max_pages) |
34 | { |
35 | return 0; |
36 | } |
37 | |
38 | static inline void swap_cgroup_swapoff(int type) |
39 | { |
40 | return; |
41 | } |
42 | |
43 | #endif |
44 | |
45 | #endif /* __LINUX_SWAP_CGROUP_H */ |
46 |
Warning: This file is not a C or C++ file. It does not have highlighting.