2003-09-25 19:14:40 +00:00
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.\"
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.\" Copyright (c) 2003 Bruce M Simpson <bms@spc.org>
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.\" All rights reserved.
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.\" modification, are permitted provided that the following conditions
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" $FreeBSD$
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.\"
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2016-09-03 20:38:13 +00:00
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.Dd August 30, 2016
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2003-09-25 19:14:40 +00:00
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.Dt PMAP_ZERO 9
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2004-07-06 07:02:31 +00:00
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.Os
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2003-09-25 19:14:40 +00:00
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.Sh NAME
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.Nm pmap_zero_page ,
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.Nm pmap_zero_area ,
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.Nd zero-fill a page using machine-dependent optimizations
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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_zero_page "vm_page_t m"
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.Ft void
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.Fn pmap_zero_page_area "vm_page_t m" "int off" "int size"
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.Sh DESCRIPTION
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The
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.Fn pmap_zero_page
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function zero-fills an entire page using machine-dependent optimizations.
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The
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.Fn pmap_zero_page_area
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function is used to zero-fill an area of a page.
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The range specified must not cross a page boundary; it must be contained
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entirely within a single page.
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.Sh IMPLEMENTATION NOTES
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This function is required to be implemented for each architecture supported by
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.Fx .
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.Sh SEE ALSO
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.Xr bzero 3 ,
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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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2014-06-26 21:44:30 +00:00
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.An Bruce M Simpson Aq Mt bms@spc.org .
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