8019c643f1
Include documentation of alc's new pmap_extract_and_hold() function. Reviewed by: hmp Approved by: jake (mentor)
66 lines
2.2 KiB
Groff
66 lines
2.2 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 21, 2003
|
|
.Dt PMAP_ENTER 9
|
|
.Sh NAME
|
|
.Nm pmap_enter
|
|
.Nd insert a virtual page into a physical map
|
|
.Sh SYNOPSIS
|
|
.In sys/param.h
|
|
.In vm/vm.h
|
|
.In vm/pmap.h
|
|
.Ft void
|
|
.Fn pmap_enter "pmap_t pmap" "vm_offset_t va" "vm_page_t p" "vm_prot_t prot" \
|
|
"boolean_t wired"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn pmap_enter
|
|
function inserts the given physical page
|
|
.Fa p ,
|
|
into the physical map
|
|
.Fa pmap ,
|
|
at the virtual address
|
|
.Fa va ,
|
|
with the protection
|
|
.Fa prot .
|
|
If
|
|
.Fa wired
|
|
is
|
|
.Dv TRUE ,
|
|
then increment the wired count for the page as soon as the mapping
|
|
is inserted into
|
|
.Fa pmap .
|
|
.Sh IMPLEMENTATION NOTES
|
|
This routine MAY NOT lazy-evaluate the entry; it is required by
|
|
specification to make the requested entry at the time it is called.
|
|
.Sh SEE ALSO
|
|
.Xr pmap 9
|
|
.Sh AUTHORS
|
|
This manual page was written by
|
|
.An Bruce M Simpson Aq bms@spc.org .
|