1 #ifndef _ASM_IA64_MMAN_H
2 #define _ASM_IA64_MMAN_H
3
4 /*
5 * Copyright (C) 1998-2000 Hewlett-Packard Co
6 * Copyright (C) 1998-2000 David Mosberger-Tang <davidm@hpl.hp.com>
7 */
8
9 #define PROT_READ 0x1 /* page can be read */
10 #define PROT_WRITE 0x2 /* page can be written */
11 #define PROT_EXEC 0x4 /* page can be executed */
12 #define PROT_NONE 0x0 /* page can not be accessed */
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_GROWSUP 0x0200 /* register stack-like segment */
22 #define MAP_DENYWRITE 0x0800 /* ETXTBSY */
23 #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
24 #define MAP_LOCKED 0x2000 /* pages are locked */
25 #define MAP_NORESERVE 0x4000 /* don't check for reservations */
26 #define MAP_WRITECOMBINED 0x10000 /* write-combine the area */
27 #define MAP_NONCACHED 0x20000 /* don't cache the memory */
28
29 #define MS_ASYNC 1 /* sync memory asynchronously */
30 #define MS_INVALIDATE 2 /* invalidate the caches */
31 #define MS_SYNC 4 /* synchronous memory sync */
32
33 #define MCL_CURRENT 1 /* lock all current mappings */
34 #define MCL_FUTURE 2 /* lock all future mappings */
35
36 #define MADV_NORMAL 0x0 /* default page-in behavior */
37 #define MADV_RANDOM 0x1 /* page-in minimum required */
38 #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
39 #define MADV_WILLNEED 0x3 /* pre-fault pages */
40 #define MADV_DONTNEED 0x4 /* discard these pages */
41
42 /* compatibility flags */
43 #define MAP_ANON MAP_ANONYMOUS
44 #define MAP_FILE 0
45
46 #endif /* _ASM_IA64_MMAN_H */
47
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