freebsd-dev/share/man/man9/vm_map_simplify_entry.9
2005-06-28 20:15:19 +00:00

62 lines
2.1 KiB
Groff

.\"
.\" Copyright (c) 2003 Bruce M Simpson <bms@spc.org>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd July 19, 2003
.Dt VM_MAP_SIMPLIFY_ENTRY 9
.Os
.Sh NAME
.Nm vm_map_simplify_entry
.Nd simplify a
.Vt vm_map_entry
.Sh SYNOPSIS
.In sys/param.h
.In vm/vm.h
.In vm/vm_map.h
.Ft void
.Fn vm_map_simplify_entry "vm_map_t map" "vm_map_entry_t entry"
.Sh DESCRIPTION
The
.Fn vm_map_simplify_entry
function simplifies the given
.Fa entry
by merging with either neighbour.
The
.Fa map
must be locked upon entry.
.Pp
This function also has the ability to merge with both neighbours.
.Pp
This function guarantees that the passed entry remains valid, although
possibly extended.
.Sh SEE ALSO
.Xr vm_map 9 ,
.Xr vm_map_insert 9 ,
.Xr vm_map_remove 9
.Sh AUTHORS
This manual page was written by
.An Bruce M Simpson Aq bms@spc.org .