| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| #ifndef _LINUX_MMAN_H |
| #define _LINUX_MMAN_H |
| |
| #include <asm/mman.h> |
| #include <asm-generic/hugetlb_encode.h> |
| |
| #define MREMAP_MAYMOVE 1 |
| #define MREMAP_FIXED 2 |
| |
| #define OVERCOMMIT_GUESS 0 |
| #define OVERCOMMIT_ALWAYS 1 |
| #define OVERCOMMIT_NEVER 2 |
| |
| #define MAP_SHARED 0x01 /* Share changes */ |
| #define MAP_PRIVATE 0x02 /* Changes are private */ |
| #define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */ |
| |
| /* |
| * Huge page size encoding when MAP_HUGETLB is specified, and a huge page |
| * size other than the default is desired. See hugetlb_encode.h. |
| * All known huge page size encodings are provided here. It is the |
| * responsibility of the application to know which sizes are supported on |
| * the running system. See mmap(2) man page for details. |
| */ |
| #define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT |
| #define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK |
| |
| #define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB |
| #define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB |
| #define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB |
| #define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB |
| #define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB |
| #define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB |
| #define MAP_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB |
| #define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB |
| #define MAP_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB |
| #define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB |
| #define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB |
| #define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB |
| |
| #endif /* _LINUX_MMAN_H */ |
