Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
at v2.6.13-rc4 52 lines 2.2 kB view raw
1#ifndef __PPC64_MMAN_H__ 2#define __PPC64_MMAN_H__ 3 4/* 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License 7 * as published by the Free Software Foundation; either version 8 * 2 of the License, or (at your option) any later version. 9 */ 10 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 */ 18 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 */ 24#define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ 25#define MAP_NORESERVE 0x40 /* don't reserve swap pages */ 26#define MAP_LOCKED 0x80 27 28#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ 29#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 30#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 31 32#define MS_ASYNC 1 /* sync memory asynchronously */ 33#define MS_INVALIDATE 2 /* invalidate the caches */ 34#define MS_SYNC 4 /* synchronous memory sync */ 35 36#define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ 37#define MCL_FUTURE 0x4000 /* lock all additions to address space */ 38 39#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ 40#define MAP_NONBLOCK 0x10000 /* do not block on IO */ 41 42#define MADV_NORMAL 0x0 /* default page-in behavior */ 43#define MADV_RANDOM 0x1 /* page-in minimum required */ 44#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ 45#define MADV_WILLNEED 0x3 /* pre-fault pages */ 46#define MADV_DONTNEED 0x4 /* discard these pages */ 47 48/* compatibility flags */ 49#define MAP_ANON MAP_ANONYMOUS 50#define MAP_FILE 0 51 52#endif /* __PPC64_MMAN_H__ */