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-rw-r--r--include/asm-blackfin/mman.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/include/asm-blackfin/mman.h b/include/asm-blackfin/mman.h
new file mode 100644
index 000000000000..4d504f908c0c
--- /dev/null
+++ b/include/asm-blackfin/mman.h
@@ -0,0 +1,45 @@
1#ifndef __BFIN_MMAN_H__
2#define __BFIN_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#define MAP_UNINITIALIZE 0x4000000 /* For anonymous mmap, memory could
26 be uninitialized. */
27
28#define MS_ASYNC 1 /* sync memory asynchronously */
29#define MS_INVALIDATE 2 /* invalidate the caches */
30#define MS_SYNC 4 /* synchronous memory sync */
31
32#define MCL_CURRENT 1 /* lock all current mappings */
33#define MCL_FUTURE 2 /* lock all future mappings */
34
35#define MADV_NORMAL 0x0 /* default page-in behavior */
36#define MADV_RANDOM 0x1 /* page-in minimum required */
37#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
38#define MADV_WILLNEED 0x3 /* pre-fault pages */
39#define MADV_DONTNEED 0x4 /* discard these pages */
40
41/* compatibility flags */
42#define MAP_ANON MAP_ANONYMOUS
43#define MAP_FILE 0
44
45#endif /* __BFIN_MMAN_H__ */