projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef __PARISC_MMAN_H__ |
| 2 | #define __PARISC_MMAN_H__ | |
| 3 | ||
| 4 | #define PROT_READ 0x1 /* page can be read */ | |
| 5 | #define PROT_WRITE 0x2 /* page can be written */ | |
| 6 | #define PROT_EXEC 0x4 /* page can be executed */ | |
| 7 | #define PROT_SEM 0x8 /* page may be used for atomic ops */ | |
| 8 | #define PROT_NONE 0x0 /* page can not be accessed */ | |
| 9 | #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ | |
| 10 | #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ | |
| 11 | ||
| 12 | #define MAP_SHARED 0x01 /* Share changes */ | |
| 13 | #define MAP_PRIVATE 0x02 /* Changes are private */ | |
| 14 | #define MAP_TYPE 0x03 /* Mask for type of mapping */ | |
| 15 | #define MAP_FIXED 0x04 /* Interpret addr exactly */ | |
| 16 | #define MAP_ANONYMOUS 0x10 /* don't use a file */ | |
| 17 | ||
| 18 | #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ | |
| 19 | #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ | |
| 20 | #define MAP_LOCKED 0x2000 /* pages are locked */ | |
| 21 | #define MAP_NORESERVE 0x4000 /* don't check for reservations */ | |
| 22 | #define MAP_GROWSDOWN 0x8000 /* stack-like segment */ | |
| 23 | #define MAP_POPULATE 0x10000 /* populate (prefault) pagetables */ | |
| 24 | #define MAP_NONBLOCK 0x20000 /* do not block on IO */ | |
| 90f72aa5 AB |
25 | #define MAP_STACK 0x40000 /* give out an address that is best suited for process/thread stacks */ |
| 26 | #define MAP_HUGETLB 0x80000 /* create a huge page mapping */ | |
| 1da177e4 LT |
27 | |
| 28 | #define MS_SYNC 1 /* synchronous memory sync */ | |
| 29 | #define MS_ASYNC 2 /* sync memory asynchronously */ | |
| 30 | #define MS_INVALIDATE 4 /* invalidate the caches */ | |
| 31 | ||
| 32 | #define MCL_CURRENT 1 /* lock all current mappings */ | |
| 33 | #define MCL_FUTURE 2 /* lock all future mappings */ | |
| 34 | ||
| 35 | #define MADV_NORMAL 0 /* no further special treatment */ | |
| 36 | #define MADV_RANDOM 1 /* expect random page references */ | |
| 37 | #define MADV_SEQUENTIAL 2 /* expect sequential page references */ | |
| 38 | #define MADV_WILLNEED 3 /* will need these pages */ | |
| 39 | #define MADV_DONTNEED 4 /* don't need these pages */ | |
| 40 | #define MADV_SPACEAVAIL 5 /* insure that resources are reserved */ | |
| 41 | #define MADV_VPS_PURGE 6 /* Purge pages from VM page cache */ | |
| 42 | #define MADV_VPS_INHERIT 7 /* Inherit parents page size */ | |
| 5f6164f3 MT |
43 | |
| 44 | /* common/generic parameters */ | |
| 45 | #define MADV_REMOVE 9 /* remove these pages & resources */ | |
| 46 | #define MADV_DONTFORK 10 /* don't inherit across fork */ | |
| 47 | #define MADV_DOFORK 11 /* do inherit across fork */ | |
| 1da177e4 | 48 | |
| d19f3524 HD |
49 | #define MADV_MERGEABLE 65 /* KSM may merge identical pages */ |
| 50 | #define MADV_UNMERGEABLE 66 /* KSM may not merge identical pages */ | |
| 51 | ||
| a826e422 | 52 | #define MADV_HUGEPAGE 67 /* Worth backing with hugepages */ |
| 1ddd6db4 | 53 | #define MADV_NOHUGEPAGE 68 /* Not worth backing with hugepages */ |
| a826e422 | 54 | |
| accb61fe JB |
55 | #define MADV_DONTDUMP 69 /* Explicity exclude from the core dump, |
| 56 | overrides the coredump filter bits */ | |
| 57 | #define MADV_DODUMP 70 /* Clear the MADV_NODUMP flag */ | |
| 58 | ||
| 1da177e4 | 59 | /* compatibility flags */ |
| 1da177e4 LT |
60 | #define MAP_FILE 0 |
| 61 | #define MAP_VARIABLE 0 | |
| 62 | ||
| 42d7395f AK |
63 | /* |
| 64 | * When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size. | |
| 65 | * This gives us 6 bits, which is enough until someone invents 128 bit address | |
| 66 | * spaces. | |
| 67 | * | |
| 68 | * Assume these are all power of twos. | |
| 69 | * When 0 use the default page size. | |
| 70 | */ | |
| 71 | #define MAP_HUGE_SHIFT 26 | |
| 72 | #define MAP_HUGE_MASK 0x3f | |
| 73 | ||
| 1da177e4 | 74 | #endif /* __PARISC_MMAN_H__ */ |