1 #ifndef _ASM_IA64_MMAN_H
2 #define _ASM_IA64_MMAN_H
5 * Based on <asm-i386/mman.h>.
7 * Modified 1998-2000, 2002
8 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
11 #define PROT_READ 0x1 /* page can be read */
12 #define PROT_WRITE 0x2 /* page can be written */
13 #define PROT_EXEC 0x4 /* page can be executed */
14 #define PROT_SEM 0x8 /* page may be used for atomic ops */
15 #define PROT_NONE 0x0 /* page can not be accessed */
16 #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
17 #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
19 #define MAP_SHARED 0x01 /* Share changes */
20 #define MAP_PRIVATE 0x02 /* Changes are private */
21 #define MAP_TYPE 0x0f /* Mask for type of mapping */
22 #define MAP_FIXED 0x10 /* Interpret addr exactly */
23 #define MAP_ANONYMOUS 0x20 /* don't use a file */
25 #define MAP_GROWSDOWN 0x00100 /* stack-like segment */
26 #define MAP_GROWSUP 0x00200 /* register stack-like segment */
27 #define MAP_DENYWRITE 0x00800 /* ETXTBSY */
28 #define MAP_EXECUTABLE 0x01000 /* mark it as an executable */
29 #define MAP_LOCKED 0x02000 /* pages are locked */
30 #define MAP_NORESERVE 0x04000 /* don't check for reservations */
31 #define MAP_POPULATE 0x08000 /* populate (prefault) pagetables */
32 #define MAP_NONBLOCK 0x10000 /* do not block on IO */
34 #define MS_ASYNC 1 /* sync memory asynchronously */
35 #define MS_INVALIDATE 2 /* invalidate the caches */
36 #define MS_SYNC 4 /* synchronous memory sync */
38 #define MCL_CURRENT 1 /* lock all current mappings */
39 #define MCL_FUTURE 2 /* lock all future mappings */
41 #define MADV_NORMAL 0x0 /* default page-in behavior */
42 #define MADV_RANDOM 0x1 /* page-in minimum required */
43 #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
44 #define MADV_WILLNEED 0x3 /* pre-fault pages */
45 #define MADV_DONTNEED 0x4 /* discard these pages */
47 /* compatibility flags */
48 #define MAP_ANON MAP_ANONYMOUS
51 #endif /* _ASM_IA64_MMAN_H */