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.Sh NAME 31.Nm pmap_mincore 32.Nd determine if a virtual address is resident in physical memory 33.Sh SYNOPSIS 34.In sys/param.h 35.In vm/vm.h 36.In vm/pmap.h 37.Ft int 38.Fn pmap_mincore "pmap_t pmap" "vm_offset_t addr" 39.Sh DESCRIPTION 40The 41.Fn pmap_mincore 42function determines if the page at the virtual address 43.Fa addr 44in the physical map 45.Fa pmap 46is resident in physical memory. 47It is the machine-dependent interface used by 48.Xr mincore 2 49system call. 50.Sh RETURN VALUES 51If the page is resident in physical memory, 52a mask of flags is returned, 53whose meaning is documented in 54.Xr mincore 2 ; 55otherwise, 56.Ql 0 57is returned. 58.Pp 59The 60.Fa pmap 61must exist and 62.Fa addr 63must be mapped into the 64.Fa pmap . 65If any error occurs, the machine-dependent implementation should 66return 67.Ql 0 . 68.Sh SEE ALSO 69.Xr mincore 2 , 70.Xr pmap 9 71.Sh AUTHORS 72This manual page was written by 73.An Bruce M Simpson Aq bms@spc.org . 74