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> |
7 | |
8 | #define MREMAP_MAYMOVE 1 |
9 | #define MREMAP_FIXED 2 |
10 | |
11 | #define OVERCOMMIT_GUESS 0 |
12 | #define OVERCOMMIT_ALWAYS 1 |
13 | #define OVERCOMMIT_NEVER 2 |
14 | |
15 | /* |
16 | * Huge page size encoding when MAP_HUGETLB is specified, and a huge page |
17 | * size other than the default is desired. See hugetlb_encode.h. |
18 | * All known huge page size encodings are provided here. It is the |
19 | * responsibility of the application to know which sizes are supported on |
20 | * the running system. See mmap(2) man page for details. |
21 | */ |
22 | #define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT |
23 | #define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK |
24 | |
25 | #define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB |
26 | #define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB |
27 | #define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB |
28 | #define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB |
29 | #define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB |
30 | #define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB |
31 | #define MAP_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB |
32 | #define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB |
33 | #define MAP_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB |
34 | #define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB |
35 | #define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB |
36 | #define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB |
37 | |
38 | #endif /* _LINUX_MMAN_H */ |
39 | |