mman.h

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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

#endif /* __PARISC_MMAN_H__ */