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- #ifndef __PARISC_MMAN_H__
- #define __PARISC_MMAN_H__
- #define PROT_READ 0x1 /* page can be read */
- #define PROT_WRITE 0x2 /* page can be written */
- #define PROT_EXEC 0x4 /* page can be executed */
- #define PROT_SEM 0x8 /* page may be used for atomic ops */
- #define PROT_NONE 0x0 /* page can not be accessed */
- #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
- #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
- #define MAP_SHARED 0x01 /* Share changes */
- #define MAP_PRIVATE 0x02 /* Changes are private */
- #define MAP_TYPE 0x03 /* Mask for type of mapping */
- #define MAP_FIXED 0x04 /* Interpret addr exactly */
- #define MAP_ANONYMOUS 0x10 /* don't use a file */
- #define MAP_DENYWRITE 0x0800 /* ETXTBSY */
- #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
- #define MAP_LOCKED 0x2000 /* pages are locked */
- #define MAP_NORESERVE 0x4000 /* don't check for reservations */
- #define MAP_GROWSDOWN 0x8000 /* stack-like segment */
- #define MAP_POPULATE 0x10000 /* populate (prefault) pagetables */
- #define MAP_NONBLOCK 0x20000 /* do not block on IO */
- #define MAP_STACK 0x40000 /* give out an address that is best suited for process/thread stacks */
- #define MAP_HUGETLB 0x80000 /* create a huge page mapping */
- #define MS_SYNC 1 /* synchronous memory sync */
- #define MS_ASYNC 2 /* sync memory asynchronously */
- #define MS_INVALIDATE 4 /* invalidate the caches */
- #define MCL_CURRENT 1 /* lock all current mappings */
- #define MCL_FUTURE 2 /* lock all future mappings */
- #define MADV_NORMAL 0 /* no further special treatment */
- #define MADV_RANDOM 1 /* expect random page references */
- #define MADV_SEQUENTIAL 2 /* expect sequential page references */
- #define MADV_WILLNEED 3 /* will need these pages */
- #define MADV_DONTNEED 4 /* don't need these pages */
- #define MADV_SPACEAVAIL 5 /* insure that resources are reserved */
- #define MADV_VPS_PURGE 6 /* Purge pages from VM page cache */
- #define MADV_VPS_INHERIT 7 /* Inherit parents page size */
- /* common/generic parameters */
- #define MADV_REMOVE 9 /* remove these pages & resources */
- #define MADV_DONTFORK 10 /* don't inherit across fork */
- #define MADV_DOFORK 11 /* do inherit across fork */
- /* The range 12-64 is reserved for page size specification. */
- #define MADV_4K_PAGES 12 /* Use 4K pages */
- #define MADV_16K_PAGES 14 /* Use 16K pages */
- #define MADV_64K_PAGES 16 /* Use 64K pages */
- #define MADV_256K_PAGES 18 /* Use 256K pages */
- #define MADV_1M_PAGES 20 /* Use 1 Megabyte pages */
- #define MADV_4M_PAGES 22 /* Use 4 Megabyte pages */
- #define MADV_16M_PAGES 24 /* Use 16 Megabyte pages */
- #define MADV_64M_PAGES 26 /* Use 64 Megabyte pages */
- #define MADV_MERGEABLE 65 /* KSM may merge identical pages */
- #define MADV_UNMERGEABLE 66 /* KSM may not merge identical pages */
- #define MADV_HUGEPAGE 67 /* Worth backing with hugepages */
- #define MADV_NOHUGEPAGE 68 /* Not worth backing with hugepages */
- #define MADV_DONTDUMP 69 /* Explicity exclude from the core dump,
- overrides the coredump filter bits */
- #define MADV_DODUMP 70 /* Clear the MADV_NODUMP flag */
- /* compatibility flags */
- #define MAP_FILE 0
- #define MAP_VARIABLE 0
- /*
- * When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size.
- * This gives us 6 bits, which is enough until someone invents 128 bit address
- * spaces.
- *
- * Assume these are all power of twos.
- * When 0 use the default page size.
- */
- #define MAP_HUGE_SHIFT 26
- #define MAP_HUGE_MASK 0x3f
- #endif /* __PARISC_MMAN_H__ */
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