diff options
Diffstat (limited to 'include/asm-i386/mman.h')
-rw-r--r-- | include/asm-i386/mman.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/asm-i386/mman.h b/include/asm-i386/mman.h new file mode 100644 index 000000000000..196619a83854 --- /dev/null +++ b/include/asm-i386/mman.h | |||
@@ -0,0 +1,43 @@ | |||
1 | #ifndef __I386_MMAN_H__ | ||
2 | #define __I386_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 */ | ||
15 | #define MAP_FIXED 0x10 /* Interpret addr exactly */ | ||
16 | #define MAP_ANONYMOUS 0x20 /* don't use a file */ | ||
17 | |||
18 | #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ | ||
19 | #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ | ||
20 | #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ | ||
21 | #define MAP_LOCKED 0x2000 /* pages are locked */ | ||
22 | #define MAP_NORESERVE 0x4000 /* don't check for reservations */ | ||
23 | #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ | ||
24 | #define MAP_NONBLOCK 0x10000 /* do not block on IO */ | ||
25 | |||
26 | #define MS_ASYNC 1 /* sync memory asynchronously */ | ||
27 | #define MS_INVALIDATE 2 /* invalidate the caches */ | ||
28 | #define MS_SYNC 4 /* synchronous memory sync */ | ||
29 | |||
30 | #define MCL_CURRENT 1 /* lock all current mappings */ | ||
31 | #define MCL_FUTURE 2 /* lock all future mappings */ | ||
32 | |||
33 | #define MADV_NORMAL 0x0 /* default page-in behavior */ | ||
34 | #define MADV_RANDOM 0x1 /* page-in minimum required */ | ||
35 | #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ | ||
36 | #define MADV_WILLNEED 0x3 /* pre-fault pages */ | ||
37 | #define MADV_DONTNEED 0x4 /* discard these pages */ | ||
38 | |||
39 | /* compatibility flags */ | ||
40 | #define MAP_ANON MAP_ANONYMOUS | ||
41 | #define MAP_FILE 0 | ||
42 | |||
43 | #endif /* __I386_MMAN_H__ */ | ||