text: /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  #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 MCL_ONFAULT	4		/* lock all pages that are faulted in */
  
  #define MLOCK_ONFAULT	0x01		/* Lock pages in range after they are faulted in, do not prefault */
  
  #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 */
  
  /* common/generic parameters */
  #define MADV_FREE	8		/* free pages only if memory pressure */
  #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 */
  
  #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 */
  
  #define MADV_WIPEONFORK 71		/* Zero memory on fork, child only */
  #define MADV_KEEPONFORK 72		/* Undo MADV_WIPEONFORK */
  
  #define MADV_HWPOISON     100		/* poison a page for testing */
  #define MADV_SOFT_OFFLINE 101		/* soft offline page for testing */
  
  /* compatibility flags */
  #define MAP_FILE	0
  #define MAP_VARIABLE	0
  
  #define PKEY_DISABLE_ACCESS	0x1
  #define PKEY_DISABLE_WRITE	0x2
  #define PKEY_ACCESS_MASK	(PKEY_DISABLE_ACCESS |\
  				 PKEY_DISABLE_WRITE)
  
  #endif /* __PARISC_MMAN_H__ */
  