diff options
| author | Becky Bruce <bgill@freescale.com> | 2005-09-03 19:01:57 -0500 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-09-06 16:07:53 +1000 |
| commit | ad6571a78ac74e9fa27e581834709067dba459af (patch) | |
| tree | c04b7a0cc687548627f0e56eab3b8965431ba915 /include/asm-powerpc/mman.h | |
| parent | b2c0ab17ba751abe13a28508b1ac7e9ca074cd87 (diff) | |
| download | lwn-ad6571a78ac74e9fa27e581834709067dba459af.tar.gz lwn-ad6571a78ac74e9fa27e581834709067dba459af.zip | |
[PATCH] Move 3 more headers to asm-powerpc
Merged several nearly-identical header files from asm-ppc and asm-ppc64
into asm-powerpc.
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/mman.h')
| -rw-r--r-- | include/asm-powerpc/mman.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/asm-powerpc/mman.h b/include/asm-powerpc/mman.h new file mode 100644 index 000000000000..f2d55988d749 --- /dev/null +++ b/include/asm-powerpc/mman.h @@ -0,0 +1,52 @@ +#ifndef _POWERPC_MMAN_H +#define _POWERPC_MMAN_H + +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#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_RENAME MAP_ANONYMOUS /* In SunOS terminology */ +#define MAP_NORESERVE 0x40 /* don't reserve swap pages */ +#define MAP_LOCKED 0x80 + +#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ +#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ +#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ + +#define MS_ASYNC 1 /* sync memory asynchronously */ +#define MS_INVALIDATE 2 /* invalidate the caches */ +#define MS_SYNC 4 /* synchronous memory sync */ + +#define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ +#define MCL_FUTURE 0x4000 /* lock all additions to address space */ + +#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x10000 /* do not block on IO */ + +#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 /* _POWERPC_MMAN_H */ |