xref: /freebsd/share/man/man9/vm_map_simplify_entry.9 (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
1.\"
2.\" Copyright (c) 2003 Bruce M Simpson <bms@spc.org>
3.\" All rights reserved.
4.\"
5.\" Redistribution and use in source and binary forms, with or without
6.\" modification, are permitted provided that the following conditions
7.\" are met:
8.\" 1. Redistributions of source code must retain the above copyright
9.\"    notice, this list of conditions and the following disclaimer.
10.\" 2. Redistributions in binary form must reproduce the above copyright
11.\"    notice, this list of conditions and the following disclaimer in the
12.\"    documentation and/or other materials provided with the distribution.
13.\"
14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24.\" SUCH DAMAGE.
25.\"
26.\" $FreeBSD$
27.\"
28.Dd July 19, 2003
29.Dt VM_MAP_SIMPLIFY_ENTRY 9
30.Os
31.Sh NAME
32.Nm vm_map_simplify_entry
33.Nd simplify a
34.Vt vm_map_entry
35.Sh SYNOPSIS
36.In sys/param.h
37.In vm/vm.h
38.In vm/vm_map.h
39.Ft void
40.Fn vm_map_simplify_entry "vm_map_t map" "vm_map_entry_t entry"
41.Sh DESCRIPTION
42The
43.Fn vm_map_simplify_entry
44function simplifies the given
45.Fa entry
46by merging with either neighbour.
47The
48.Fa map
49must be locked upon entry.
50.Pp
51This function also has the ability to merge with both neighbours.
52.Pp
53This function guarantees that the passed entry remains valid, although
54possibly extended.
55.Sh SEE ALSO
56.Xr vm_map 9 ,
57.Xr vm_map_insert 9 ,
58.Xr vm_map_remove 9
59.Sh AUTHORS
60This manual page was written by
61.An Bruce M Simpson Aq Mt bms@spc.org .
62