1/* 2 * include/asm-s390/mman.h 3 * 4 * S390 version 5 * 6 * Derived from "include/asm-i386/mman.h" 7 */ 8 9#ifndef __S390_MMAN_H__ 10#define __S390_MMAN_H__ 11 12#define PROT_READ 0x1 /* page can be read */ 13#define PROT_WRITE 0x2 /* page can be written */ 14#define PROT_EXEC 0x4 /* page can be executed */ 15#define PROT_NONE 0x0 /* page can not be accessed */ 16 17#define MAP_SHARED 0x01 /* Share changes */ 18#define MAP_PRIVATE 0x02 /* Changes are private */ 19#define MAP_TYPE 0x0f /* Mask for type of mapping */ 20#define MAP_FIXED 0x10 /* Interpret addr exactly */ 21#define MAP_ANONYMOUS 0x20 /* don't use a file */ 22 23#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ 24#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 25#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 26#define MAP_LOCKED 0x2000 /* pages are locked */ 27#define MAP_NORESERVE 0x4000 /* don't check for reservations */ 28 29#define MS_ASYNC 1 /* sync memory asynchronously */ 30#define MS_INVALIDATE 2 /* invalidate the caches */ 31#define MS_SYNC 4 /* synchronous memory sync */ 32 33#define MCL_CURRENT 1 /* lock all current mappings */ 34#define MCL_FUTURE 2 /* lock all future mappings */ 35 36#define MADV_NORMAL 0x0 /* default page-in behavior */ 37#define MADV_RANDOM 0x1 /* page-in minimum required */ 38#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ 39#define MADV_WILLNEED 0x3 /* pre-fault pages */ 40#define MADV_DONTNEED 0x4 /* discard these pages */ 41 42/* compatibility flags */ 43#define MAP_ANON MAP_ANONYMOUS 44#define MAP_FILE 0 45 46#endif /* __S390_MMAN_H__ */ 47