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8cf108c5 ZY |
1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | #ifndef _LINUX_MMAN_H | |
3 | #define _LINUX_MMAN_H | |
4 | ||
5 | #include <asm/mman.h> | |
6 | #include <asm-generic/hugetlb_encode.h> | |
d0bf492f | 7 | #include <linux/types.h> |
8cf108c5 | 8 | |
dc6f8d45 CH |
9 | #define MREMAP_MAYMOVE 1 |
10 | #define MREMAP_FIXED 2 | |
11 | #define MREMAP_DONTUNMAP 4 | |
8cf108c5 ZY |
12 | |
13 | #define OVERCOMMIT_GUESS 0 | |
14 | #define OVERCOMMIT_ALWAYS 1 | |
15 | #define OVERCOMMIT_NEVER 2 | |
16 | ||
d9cb4336 CH |
17 | #define MAP_SHARED 0x01 /* Share changes */ |
18 | #define MAP_PRIVATE 0x02 /* Changes are private */ | |
19 | #define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */ | |
20 | ||
8cf108c5 ZY |
21 | /* |
22 | * Huge page size encoding when MAP_HUGETLB is specified, and a huge page | |
23 | * size other than the default is desired. See hugetlb_encode.h. | |
24 | * All known huge page size encodings are provided here. It is the | |
25 | * responsibility of the application to know which sizes are supported on | |
26 | * the running system. See mmap(2) man page for details. | |
27 | */ | |
28 | #define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT | |
29 | #define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK | |
30 | ||
53ba2eee | 31 | #define MAP_HUGE_16KB HUGETLB_FLAG_ENCODE_16KB |
8cf108c5 ZY |
32 | #define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB |
33 | #define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB | |
34 | #define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB | |
35 | #define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB | |
36 | #define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB | |
37 | #define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB | |
38 | #define MAP_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB | |
39 | #define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB | |
40 | #define MAP_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB | |
41 | #define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB | |
42 | #define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB | |
43 | #define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB | |
44 | ||
d0bf492f CLG |
45 | struct cachestat_range { |
46 | __u64 off; | |
47 | __u64 len; | |
48 | }; | |
49 | ||
50 | struct cachestat { | |
51 | __u64 nr_cache; | |
52 | __u64 nr_dirty; | |
53 | __u64 nr_writeback; | |
54 | __u64 nr_evicted; | |
55 | __u64 nr_recently_evicted; | |
56 | }; | |
57 | ||
8cf108c5 | 58 | #endif /* _LINUX_MMAN_H */ |