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.Dd July 21, 2003 27.Dt PMAP_MINCORE 9 28.Os 29.Sh NAME 30.Nm pmap_mincore 31.Nd determine if a virtual address is resident in physical memory 32.Sh SYNOPSIS 33.In sys/param.h 34.In vm/vm.h 35.In vm/pmap.h 36.Ft int 37.Fn pmap_mincore "pmap_t pmap" "vm_offset_t addr" 38.Sh DESCRIPTION 39The 40.Fn pmap_mincore 41function determines if the page at the virtual address 42.Fa addr 43in the physical map 44.Fa pmap 45is resident in physical memory. 46It is the machine-dependent interface used by the 47.Xr mincore 2 48system call. 49.Sh RETURN VALUES 50If the page is resident in physical memory, 51a mask of flags is returned, 52whose meaning is documented in 53.Xr mincore 2 ; 54otherwise, 550 56is returned. 57.Pp 58The 59.Fa pmap 60must exist and 61.Fa addr 62must be mapped into the 63.Fa pmap . 64If any error occurs, the machine-dependent implementation should 65return 660. 67.Sh SEE ALSO 68.Xr mincore 2 , 69.Xr pmap 9 70.Sh AUTHORS 71This manual page was written by 72.An Bruce M Simpson Aq Mt bms@spc.org . 73