File: /usr/src/linux/include/asm-parisc/mman.h

1     #ifndef __PARISC_MMAN_H__
2     #define __PARISC_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_NONE	0x0		/* page can not be accessed */
8     
9     #define MAP_SHARED	0x01		/* Share changes */
10     #define MAP_PRIVATE	0x02		/* Changes are private */
11     #define MAP_TYPE	0x03		/* Mask for type of mapping */
12     #define MAP_FIXED	0x04		/* Interpret addr exactly */
13     #define MAP_ANONYMOUS	0x10		/* don't use a file */
14     
15     #define MAP_DENYWRITE	0x0800		/* ETXTBSY */
16     #define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
17     #define MAP_LOCKED	0x2000		/* pages are locked */
18     #define MAP_NORESERVE	0x4000		/* don't check for reservations */
19     #define MAP_GROWSDOWN	0x8000		/* stack-like segment */
20     
21     #define MS_SYNC		1		/* synchronous memory sync */
22     #define MS_ASYNC	2		/* sync memory asynchronously */
23     #define MS_INVALIDATE	4		/* invalidate the caches */
24     
25     #define MCL_CURRENT	1		/* lock all current mappings */
26     #define MCL_FUTURE	2		/* lock all future mappings */
27     
28     #define MADV_NORMAL     0               /* no further special treatment */
29     #define MADV_RANDOM     1               /* expect random page references */
30     #define MADV_SEQUENTIAL 2               /* expect sequential page references */
31     #define MADV_WILLNEED   3               /* will need these pages */
32     #define MADV_DONTNEED   4               /* dont need these pages */
33     #define MADV_SPACEAVAIL 5               /* insure that resources are reserved */
34     #define MADV_VPS_PURGE  6               /* Purge pages from VM page cache */
35     #define MADV_VPS_INHERIT 7              /* Inherit parents page size */
36     
37     /* The range 12-64 is reserved for page size specification. */
38     #define MADV_4K_PAGES   12              /* Use 4K pages  */
39     #define MADV_16K_PAGES  14              /* Use 16K pages */
40     #define MADV_64K_PAGES  16              /* Use 64K pages */
41     #define MADV_256K_PAGES 18              /* Use 256K pages */
42     #define MADV_1M_PAGES   20              /* Use 1 Megabyte pages */
43     #define MADV_4M_PAGES   22              /* Use 4 Megabyte pages */
44     #define MADV_16M_PAGES  24              /* Use 16 Megabyte pages */
45     #define MADV_64M_PAGES  26              /* Use 64 Megabyte pages */
46     
47     /* compatibility flags */
48     #define MAP_ANON	MAP_ANONYMOUS
49     #define MAP_FILE	0
50     #define MAP_VARIABLE	0
51     
52     #endif /* __PARISC_MMAN_H__ */
53