57 lines
2.0 KiB
Groff
57 lines
2.0 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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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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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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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 21, 2003
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.Dt PMAP_IS_PREFAULTABLE 9
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.Sh NAME
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.Nm pmap_is_prefaultable
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.Nd determine if a page may be prefaulted
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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 boolean_t
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.Fn pmap_is_prefaultable "pmap_t pmap" "vm_offset_t va"
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.Sh DESCRIPTION
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The
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.Fn pmap_is_prefaultable
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function provides a means of determining if the page residing at
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virtual address
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.Fa va
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in the physical map
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.Fa pmap
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may be pre-faulted into main memory.
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.Pp
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This is a helper function which is called by
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.Xr vm_fault_prefault 9 .
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.Sh SEE ALSO
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.Xr pmap 9 ,
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.Xr vm_fault_prefault 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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