1.\" 2.\" Copyright (c) 2003 Bruce M Simpson <bms@spc.org> 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd July 21, 2003 29.Dt PMAP_MINCORE 9 30.Os 31.Sh NAME 32.Nm pmap_mincore 33.Nd determine if a virtual address is resident in physical memory 34.Sh SYNOPSIS 35.In sys/param.h 36.In vm/vm.h 37.In vm/pmap.h 38.Ft int 39.Fn pmap_mincore "pmap_t pmap" "vm_offset_t addr" 40.Sh DESCRIPTION 41The 42.Fn pmap_mincore 43function determines if the page at the virtual address 44.Fa addr 45in the physical map 46.Fa pmap 47is resident in physical memory. 48It is the machine-dependent interface used by the 49.Xr mincore 2 50system call. 51.Sh RETURN VALUES 52If the page is resident in physical memory, 53a mask of flags is returned, 54whose meaning is documented in 55.Xr mincore 2 ; 56otherwise, 570 58is returned. 59.Pp 60The 61.Fa pmap 62must exist and 63.Fa addr 64must be mapped into the 65.Fa pmap . 66If any error occurs, the machine-dependent implementation should 67return 680. 69.Sh SEE ALSO 70.Xr mincore 2 , 71.Xr pmap 9 72.Sh AUTHORS 73This manual page was written by 74.An Bruce M Simpson Aq bms@spc.org . 75