Add manual page documentation for the machine-independent PMAP subsystem.

Include documentation of alc's new pmap_extract_and_hold() function.

Reviewed by:	hmp
Approved by:	jake (mentor)

1 files changed, 65 insertions, 0 deletions

diff --git a/share/man/man9/pmap_enter.9 b/share/man/man9/pmap_enter.9
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+.\"
+.\" 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 .