| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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_SEM 0x8 /* page may be used for atomic ops */ |
| 16 | #define PROT_NONE 0x0 /* page can not be accessed */ |
| 17 | #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ |
| 18 | #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ |
| 19 | |
| 20 | #define MAP_SHARED 0x01 /* Share changes */ |
| 21 | #define MAP_PRIVATE 0x02 /* Changes are private */ |
| 22 | #define MAP_TYPE 0x0f /* Mask for type of mapping */ |
| 23 | #define MAP_FIXED 0x10 /* Interpret addr exactly */ |
| 24 | #define MAP_ANONYMOUS 0x20 /* don't use a file */ |
| 25 | |
| 26 | #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ |
| 27 | #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ |
| 28 | #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ |
| 29 | #define MAP_LOCKED 0x2000 /* pages are locked */ |
| 30 | #define MAP_NORESERVE 0x4000 /* don't check for reservations */ |
| 31 | #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ |
| 32 | #define MAP_NONBLOCK 0x10000 /* do not block on IO */ |
| 33 | |
| 34 | #define MS_ASYNC 1 /* sync memory asynchronously */ |
| 35 | #define MS_INVALIDATE 2 /* invalidate the caches */ |
| 36 | #define MS_SYNC 4 /* synchronous memory sync */ |
| 37 | |
| 38 | #define MCL_CURRENT 1 /* lock all current mappings */ |
| 39 | #define MCL_FUTURE 2 /* lock all future mappings */ |
| 40 | |
| 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 */ |
| Badari Pulavarty | f6b3ec2 | 2006-01-06 00:10:38 -0800 | [diff] [blame] | 46 | #define MADV_REMOVE 0x5 /* remove these pages & resources */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
| 48 | /* compatibility flags */ |
| 49 | #define MAP_ANON MAP_ANONYMOUS |
| 50 | #define MAP_FILE 0 |
| 51 | |
| 52 | #endif /* __S390_MMAN_H__ */ |