diff options
Diffstat (limited to 'include/asm-ia64/mman.h')
| -rw-r--r-- | include/asm-ia64/mman.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/asm-ia64/mman.h b/include/asm-ia64/mman.h new file mode 100644 index 00000000000..1c0a73af146 --- /dev/null +++ b/include/asm-ia64/mman.h @@ -0,0 +1,51 @@ +#ifndef _ASM_IA64_MMAN_H +#define _ASM_IA64_MMAN_H + +/* + * Based on <asm-i386/mman.h>. + * + * Modified 1998-2000, 2002 + * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co + */ + +#define PROT_READ 0x1 /* page can be read */ +#define PROT_WRITE 0x2 /* page can be written */ +#define PROT_EXEC 0x4 /* page can be executed */ +#define PROT_SEM 0x8 /* page may be used for atomic ops */ +#define PROT_NONE 0x0 /* page can not be accessed */ +#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ +#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ + +#define MAP_SHARED 0x01 /* Share changes */ +#define MAP_PRIVATE 0x02 /* Changes are private */ +#define MAP_TYPE 0x0f /* Mask for type of mapping */ +#define MAP_FIXED 0x10 /* Interpret addr exactly */ +#define MAP_ANONYMOUS 0x20 /* don't use a file */ + +#define MAP_GROWSDOWN 0x00100 /* stack-like segment */ +#define MAP_GROWSUP 0x00200 /* register stack-like segment */ +#define MAP_DENYWRITE 0x00800 /* ETXTBSY */ +#define MAP_EXECUTABLE 0x01000 /* mark it as an executable */ +#define MAP_LOCKED 0x02000 /* pages are locked */ +#define MAP_NORESERVE 0x04000 /* don't check for reservations */ +#define MAP_POPULATE 0x08000 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x10000 /* do not block on IO */ + +#define MS_ASYNC 1 /* sync memory asynchronously */ +#define MS_INVALIDATE 2 /* invalidate the caches */ +#define MS_SYNC 4 /* synchronous memory sync */ + +#define MCL_CURRENT 1 /* lock all current mappings */ +#define MCL_FUTURE 2 /* lock all future mappings */ + +#define MADV_NORMAL 0x0 /* default page-in behavior */ +#define MADV_RANDOM 0x1 /* page-in minimum required */ +#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ +#define MADV_WILLNEED 0x3 /* pre-fault pages */ +#define MADV_DONTNEED 0x4 /* discard these pages */ + +/* compatibility flags */ +#define MAP_ANON MAP_ANONYMOUS +#define MAP_FILE 0 + +#endif /* _ASM_IA64_MMAN_H */ |