xref: /freebsd/share/man/man9/vm_map_madvise.9 (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
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26.\" $FreeBSD$
27.\"
28.Dd July 19, 2003
29.Dt VM_MAP_MADVISE 9
30.Os
31.Sh NAME
32.Nm vm_map_madvise
33.Nd apply advice about use of memory to map entries
34.Sh SYNOPSIS
35.In sys/param.h
36.In vm/vm.h
37.In vm/vm_map.h
38.Ft int
39.Fo vm_map_madvise
40.Fa "vm_map_t map" "vm_offset_t start" "vm_offset_t end" "int behav"
41.Fc
42.Sh DESCRIPTION
43The
44.Fn vm_map_madvise
45function applies the flags
46.Fa behav
47to the entries within
48.Fa map
49between
50.Fa start
51and
52.Fa end .
53.Pp
54Advisories are classified as either those affecting the
55.Vt vm_map_entry
56structure, or those affecting the underlying objects.
57.Pp
58The
59.Fn vm_map_madvise
60function is used by the
61.Xr madvise 2
62system call.
63.Sh RETURN VALUES
64The
65.Fn vm_map_madvise
66function returns 0 if successful.
67If the
68.Fa behav
69argument was not recognised,
70.Dv KERN_INVALID_ARGUMENT
71is returned.
72.Sh SEE ALSO
73.Xr madvise 2 ,
74.Xr vm_map 9
75.Sh AUTHORS
76This manual page was written by
77.An Bruce M Simpson Aq bms@spc.org .
78