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1 | #ifndef __ALPHA_MMAN_H__ |
2 | #define __ALPHA_MMAN_H__ | |
3 | ||
4 | #define PROT_READ 0x1 /* page can be read */ | |
5 | #define PROT_WRITE 0x2 /* page can be written */ | |
6 | #define PROT_EXEC 0x4 /* page can be executed */ | |
7 | #define PROT_SEM 0x8 /* page may be used for atomic ops */ | |
8 | #define PROT_NONE 0x0 /* page can not be accessed */ | |
9 | #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ | |
10 | #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ | |
11 | ||
12 | #define MAP_SHARED 0x01 /* Share changes */ | |
13 | #define MAP_PRIVATE 0x02 /* Changes are private */ | |
14 | #define MAP_TYPE 0x0f /* Mask for type of mapping (OSF/1 is _wrong_) */ | |
15 | #define MAP_FIXED 0x100 /* Interpret addr exactly */ | |
16 | #define MAP_ANONYMOUS 0x10 /* don't use a file */ | |
17 | ||
18 | /* not used by linux, but here to make sure we don't clash with OSF/1 defines */ | |
19 | #define _MAP_HASSEMAPHORE 0x0200 | |
20 | #define _MAP_INHERIT 0x0400 | |
21 | #define _MAP_UNALIGNED 0x0800 | |
22 | ||
23 | /* These are linux-specific */ | |
24 | #define MAP_GROWSDOWN 0x01000 /* stack-like segment */ | |
25 | #define MAP_DENYWRITE 0x02000 /* ETXTBSY */ | |
26 | #define MAP_EXECUTABLE 0x04000 /* mark it as an executable */ | |
27 | #define MAP_LOCKED 0x08000 /* lock the mapping */ | |
28 | #define MAP_NORESERVE 0x10000 /* don't check for reservations */ | |
29 | #define MAP_POPULATE 0x20000 /* populate (prefault) pagetables */ | |
30 | #define MAP_NONBLOCK 0x40000 /* do not block on IO */ | |
31 | ||
32 | #define MS_ASYNC 1 /* sync memory asynchronously */ | |
33 | #define MS_SYNC 2 /* synchronous memory sync */ | |
34 | #define MS_INVALIDATE 4 /* invalidate the caches */ | |
35 | ||
36 | #define MCL_CURRENT 8192 /* lock all currently mapped pages */ | |
37 | #define MCL_FUTURE 16384 /* lock all additions to address space */ | |
38 | ||
39 | #define MADV_NORMAL 0 /* no further special treatment */ | |
40 | #define MADV_RANDOM 1 /* expect random page references */ | |
41 | #define MADV_SEQUENTIAL 2 /* expect sequential page references */ | |
42 | #define MADV_WILLNEED 3 /* will need these pages */ | |
43 | #define MADV_SPACEAVAIL 5 /* ensure resources are available */ | |
44 | #define MADV_DONTNEED 6 /* don't need these pages */ | |
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45 | |
46 | /* common/generic parameters */ | |
47 | #define MADV_REMOVE 9 /* remove these pages & resources */ | |
48 | #define MADV_DONTFORK 10 /* don't inherit across fork */ | |
49 | #define MADV_DOFORK 11 /* do inherit across fork */ | |
1da177e4 LT |
50 | |
51 | /* compatibility flags */ | |
1da177e4 LT |
52 | #define MAP_FILE 0 |
53 | ||
54 | #endif /* __ALPHA_MMAN_H__ */ |