1 #ifndef __ALPHA_MMAN_H__
2 #define __ALPHA_MMAN_H__
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 */
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 (OSF/1 is _wrong_) */
15 #define MAP_FIXED 0x100 /* Interpret addr exactly */
16 #define MAP_ANONYMOUS 0x10 /* don't use a file */
18 /* not used by linux, but here to make sure we don't clash with OSF/1 defines */
19 #define _MAP_HASSEMAPHORE 0x0200
20 #define _MAP_INHERIT 0x0400
21 #define _MAP_UNALIGNED 0x0800
23 /* These are linux-specific */
24 #define MAP_GROWSDOWN 0x01000 /* stack-like segment */
25 #define MAP_DENYWRITE 0x02000 /* ETXTBSY */
26 #define MAP_EXECUTABLE 0x04000 /* mark it as an executable */
27 #define MAP_LOCKED 0x08000 /* lock the mapping */
28 #define MAP_NORESERVE 0x10000 /* don't check for reservations */
29 #define MAP_POPULATE 0x20000 /* populate (prefault) pagetables */
30 #define MAP_NONBLOCK 0x40000 /* do not block on IO */
32 #define MS_ASYNC 1 /* sync memory asynchronously */
33 #define MS_SYNC 2 /* synchronous memory sync */
34 #define MS_INVALIDATE 4 /* invalidate the caches */
36 #define MCL_CURRENT 8192 /* lock all currently mapped pages */
37 #define MCL_FUTURE 16384 /* lock all additions to address space */
39 #define MADV_NORMAL 0 /* no further special treatment */
40 #define MADV_RANDOM 1 /* expect random page references */
41 #define MADV_SEQUENTIAL 2 /* expect sequential page references */
42 #define MADV_WILLNEED 3 /* will need these pages */
43 #define MADV_SPACEAVAIL 5 /* ensure resources are available */
44 #define MADV_DONTNEED 6 /* don't need these pages */
46 /* common/generic parameters */
47 #define MADV_REMOVE 9 /* remove these pages & resources */
48 #define MADV_DONTFORK 10 /* don't inherit across fork */
49 #define MADV_DOFORK 11 /* do inherit across fork */
51 /* compatibility flags */
54 #endif /* __ALPHA_MMAN_H__ */