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1da177e4 LT |
1 | #ifndef __PPC64_MMAN_H__ |
2 | #define __PPC64_MMAN_H__ | |
3 | ||
4 | /* | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version | |
8 | * 2 of the License, or (at your option) any later version. | |
9 | */ | |
10 | ||
11 | #define PROT_READ 0x1 /* page can be read */ | |
12 | #define PROT_WRITE 0x2 /* page can be written */ | |
13 | #define PROT_EXEC 0x4 /* page can be executed */ | |
14 | #define PROT_SEM 0x8 /* page may be used for atomic ops */ | |
15 | #define PROT_NONE 0x0 /* page can not be accessed */ | |
16 | #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ | |
17 | #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ | |
18 | ||
19 | #define MAP_SHARED 0x01 /* Share changes */ | |
20 | #define MAP_PRIVATE 0x02 /* Changes are private */ | |
21 | #define MAP_TYPE 0x0f /* Mask for type of mapping */ | |
22 | #define MAP_FIXED 0x10 /* Interpret addr exactly */ | |
23 | #define MAP_ANONYMOUS 0x20 /* don't use a file */ | |
24 | #define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ | |
25 | #define MAP_NORESERVE 0x40 /* don't reserve swap pages */ | |
26 | #define MAP_LOCKED 0x80 | |
27 | ||
28 | #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ | |
29 | #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ | |
30 | #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ | |
31 | ||
32 | #define MS_ASYNC 1 /* sync memory asynchronously */ | |
33 | #define MS_INVALIDATE 2 /* invalidate the caches */ | |
34 | #define MS_SYNC 4 /* synchronous memory sync */ | |
35 | ||
36 | #define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ | |
37 | #define MCL_FUTURE 0x4000 /* lock all additions to address space */ | |
38 | ||
39 | #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ | |
40 | #define MAP_NONBLOCK 0x10000 /* do not block on IO */ | |
41 | ||
42 | #define MADV_NORMAL 0x0 /* default page-in behavior */ | |
43 | #define MADV_RANDOM 0x1 /* page-in minimum required */ | |
44 | #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ | |
45 | #define MADV_WILLNEED 0x3 /* pre-fault pages */ | |
46 | #define MADV_DONTNEED 0x4 /* discard these pages */ | |
47 | ||
48 | /* compatibility flags */ | |
49 | #define MAP_ANON MAP_ANONYMOUS | |
50 | #define MAP_FILE 0 | |
51 | ||
52 | #endif /* __PPC64_MMAN_H__ */ |