^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef __ASM_GENERIC_MMAN_COMMON_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __ASM_GENERIC_MMAN_COMMON_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) Author: Michael S. Tsirkin <mst@mellanox.co.il>, Mellanox Technologies Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) Based on: asm-xxx/mman.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define PROT_READ 0x1 /* page can be read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define PROT_WRITE 0x2 /* page can be written */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define PROT_EXEC 0x4 /* page can be executed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define PROT_SEM 0x8 /* page may be used for atomic ops */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /* 0x10 reserved for arch-specific use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /* 0x20 reserved for arch-specific use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define PROT_NONE 0x0 /* page can not be accessed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /* 0x01 - 0x03 are defined in linux/mman.h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define MAP_TYPE 0x0f /* Mask for type of mapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define MAP_FIXED 0x10 /* Interpret addr exactly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define MAP_ANONYMOUS 0x20 /* don't use a file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /* 0x0100 - 0x4000 flags are defined in asm-generic/mman.h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define MAP_POPULATE 0x008000 /* populate (prefault) pagetables */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define MAP_NONBLOCK 0x010000 /* do not block on IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define MAP_STACK 0x020000 /* give out an address that is best suited for process/thread stacks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define MAP_HUGETLB 0x040000 /* create a huge page mapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define MAP_SYNC 0x080000 /* perform synchronous page faults for the mapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * uninitialized */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * Flags for mlock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define MLOCK_ONFAULT 0x01 /* Lock pages in range after they are faulted in, do not prefault */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define MS_ASYNC 1 /* sync memory asynchronously */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define MS_INVALIDATE 2 /* invalidate the caches */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define MS_SYNC 4 /* synchronous memory sync */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define MADV_NORMAL 0 /* no further special treatment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define MADV_RANDOM 1 /* expect random page references */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define MADV_SEQUENTIAL 2 /* expect sequential page references */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define MADV_WILLNEED 3 /* will need these pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define MADV_DONTNEED 4 /* don't need these pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /* common parameters: try to keep these consistent across architectures */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define MADV_FREE 8 /* free pages only if memory pressure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define MADV_REMOVE 9 /* remove these pages & resources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define MADV_DONTFORK 10 /* don't inherit across fork */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define MADV_DOFORK 11 /* do inherit across fork */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define MADV_HWPOISON 100 /* poison a page for testing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define MADV_SOFT_OFFLINE 101 /* soft offline page for testing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define MADV_MERGEABLE 12 /* KSM may merge identical pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define MADV_HUGEPAGE 14 /* Worth backing with hugepages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define MADV_DONTDUMP 16 /* Explicity exclude from the core dump,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) overrides the coredump filter bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define MADV_DODUMP 17 /* Clear the MADV_DONTDUMP flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define MADV_WIPEONFORK 18 /* Zero memory on fork, child only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define MADV_KEEPONFORK 19 /* Undo MADV_WIPEONFORK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define MADV_COLD 20 /* deactivate these pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define MADV_PAGEOUT 21 /* reclaim these pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /* compatibility flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define MAP_FILE 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define PKEY_DISABLE_ACCESS 0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define PKEY_DISABLE_WRITE 0x2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) PKEY_DISABLE_WRITE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #endif /* __ASM_GENERIC_MMAN_COMMON_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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