blob: 5a382b8bf3f738effedd851b6887f7ce4197817b [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __CRIS_MMAN_H__
2#define __CRIS_MMAN_H__
3
4/* verbatim copy of asm-i386/ version */
5
6#define PROT_READ 0x1 /* page can be read */
7#define PROT_WRITE 0x2 /* page can be written */
8#define PROT_EXEC 0x4 /* page can be executed */
9#define PROT_SEM 0x8 /* page may be used for atomic ops */
10#define PROT_NONE 0x0 /* page can not be accessed */
11#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
12#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
13
14#define MAP_SHARED 0x01 /* Share changes */
15#define MAP_PRIVATE 0x02 /* Changes are private */
16#define MAP_TYPE 0x0f /* Mask for type of mapping */
17#define MAP_FIXED 0x10 /* Interpret addr exactly */
18#define MAP_ANONYMOUS 0x20 /* don't use a file */
19
20#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
21#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
22#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
23#define MAP_LOCKED 0x2000 /* pages are locked */
24#define MAP_NORESERVE 0x4000 /* don't check for reservations */
25#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
26#define MAP_NONBLOCK 0x10000 /* do not block on IO */
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 */
Badari Pulavartyf6b3ec22006-01-06 00:10:38 -080040#define MADV_REMOVE 0x5 /* remove these pages & resources */
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
42/* compatibility flags */
43#define MAP_ANON MAP_ANONYMOUS
44#define MAP_FILE 0
45
46#endif /* __CRIS_MMAN_H__ */