[mirror_ubuntu-artful-kernel.git] / arch / parisc / include / uapi / asm / mman.h

#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 */
#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 */
#define MADV_FREE	8		/* free pages only if memory pressure */

/* 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 */

/* 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__ */
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 */
90f72aa5 AB	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 */
b0f205c2 EM	34	#define MCL_ONFAULT 4 /* lock all pages that are faulted in */
	35
	36	#define MLOCK_ONFAULT 0x01 /* Lock pages in range after they are faulted in, do not prefault */
1da177e4 LT	37
	38	#define MADV_NORMAL 0 /* no further special treatment */
	39	#define MADV_RANDOM 1 /* expect random page references */
	40	#define MADV_SEQUENTIAL 2 /* expect sequential page references */
	41	#define MADV_WILLNEED 3 /* will need these pages */
	42	#define MADV_DONTNEED 4 /* don't need these pages */
	43	#define MADV_SPACEAVAIL 5 /* insure that resources are reserved */
	44	#define MADV_VPS_PURGE 6 /* Purge pages from VM page cache */
	45	#define MADV_VPS_INHERIT 7 /* Inherit parents page size */
ef58978f	46	#define MADV_FREE 8 /* free pages only if memory pressure */
5f6164f3 MT	47
5f6164f3 MT	48	/* common/generic parameters */
21f55b01	49	#define MADV_FREE 8 /* free pages only if memory pressure */
5f6164f3 MT	50	#define MADV_REMOVE 9 /* remove these pages & resources */
	51	#define MADV_DONTFORK 10 /* don't inherit across fork */
	52	#define MADV_DOFORK 11 /* do inherit across fork */
1da177e4	53
d19f3524 HD	54	#define MADV_MERGEABLE 65 /* KSM may merge identical pages */
	55	#define MADV_UNMERGEABLE 66 /* KSM may not merge identical pages */
	56
a826e422	57	#define MADV_HUGEPAGE 67 /* Worth backing with hugepages */
1ddd6db4	58	#define MADV_NOHUGEPAGE 68 /* Not worth backing with hugepages */
a826e422	59
accb61fe JB	60	#define MADV_DONTDUMP 69 /* Explicity exclude from the core dump,
	61	overrides the coredump filter bits */
	62	#define MADV_DODUMP 70 /* Clear the MADV_NODUMP flag */
	63
1da177e4	64	/* compatibility flags */
1da177e4 LT	65	#define MAP_FILE 0
	66	#define MAP_VARIABLE 0
	67
42d7395f AK	68	/*
	69	* When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size.
	70	* This gives us 6 bits, which is enough until someone invents 128 bit address
	71	* spaces.
	72	*
	73	* Assume these are all power of twos.
	74	* When 0 use the default page size.
	75	*/
	76	#define MAP_HUGE_SHIFT 26
	77	#define MAP_HUGE_MASK 0x3f
	78
1da177e4	79	#endif /* __PARISC_MMAN_H__ */