b73973612a
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
.\"
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.\" Copyright (c) 2003 Bruce M Simpson <bms@spc.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" $FreeBSD$
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.\"
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.Dd July 21, 2003
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.Dt PMAP_ENTER 9
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.Sh NAME
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.Nm pmap_enter
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.Nd insert a virtual page into a physical map
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.Sh SYNOPSIS
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.In sys/param.h
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.In vm/vm.h
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.In vm/pmap.h
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.Ft void
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.Fn pmap_enter "pmap_t pmap" "vm_offset_t va" "vm_page_t p" "vm_prot_t prot" \
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"boolean_t wired"
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.Sh DESCRIPTION
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The
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.Fn pmap_enter
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function inserts the given physical page
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.Fa p ,
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into the physical map
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.Fa pmap ,
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at the virtual address
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.Fa va ,
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with the protection
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.Fa prot .
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If
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.Fa wired
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is
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.Dv TRUE ,
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then increment the wired count for the page as soon as the mapping
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is inserted into
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.Fa pmap .
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.Sh IMPLEMENTATION NOTES
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This routine MAY NOT lazy-evaluate the entry; it is required by
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specification to make the requested entry at the time it is called.
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.Sh SEE ALSO
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.Xr pmap 9
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.Sh AUTHORS
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This manual page was written by
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.An Bruce M Simpson Aq bms@spc.org .
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