| Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 2 | #ifndef _UAPI_LINUX_MMAN_H |
| 3 | #define _UAPI_LINUX_MMAN_H |
| 4 | |
| 5 | #include <asm/mman.h> |
| Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 6 | #include <asm-generic/hugetlb_encode.h> |
| Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 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 | |
| Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 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_256MB HUGETLB_FLAG_ENCODE_256MB |
| 32 | #define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB |
| 33 | #define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB |
| 34 | #define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB |
| 35 | |
| Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 36 | #endif /* _UAPI_LINUX_MMAN_H */ |