1 #ifndef __ASM_SH64_MMAN_H 2 #define __ASM_SH64_MMAN_H 3 4 /* 5 * This file is subject to the terms and conditions of the GNU General Public 6 * License. See the file "COPYING" in the main directory of this archive 7 * for more details. 8 * 9 * include/asm-sh64/mman.h 10 * 11 * Copyright (C) 2000, 2001 Paolo Alberelli 12 * 13 */ 14 15 #define PROT_READ 0x1 /* page can be read */ 16 #define PROT_WRITE 0x2 /* page can be written */ 17 #define PROT_EXEC 0x4 /* page can be executed */ 18 #define PROT_NONE 0x0 /* page can not be accessed */ 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 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 1 /* lock all current mappings */ 37 #define MCL_FUTURE 2 /* lock all future mappings */ 38 39 #define MADV_NORMAL 0x0 /* default page-in behavior */ 40 #define MADV_RANDOM 0x1 /* page-in minimum required */ 41 #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ 42 #define MADV_WILLNEED 0x3 /* pre-fault pages */ 43 #define MADV_DONTNEED 0x4 /* discard these pages */ 44 45 /* compatibility flags */ 46 #define MAP_ANON MAP_ANONYMOUS 47 #define MAP_FILE 0 48 49 #endif /* __ASM_SH64_MMAN_H */ 50