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 19, 2003 27.Dt VM_MAP_MADVISE 9 28.Os 29.Sh NAME 30.Nm vm_map_madvise 31.Nd apply advice about use of memory to map entries 32.Sh SYNOPSIS 33.In sys/param.h 34.In vm/vm.h 35.In vm/vm_map.h 36.Ft int 37.Fo vm_map_madvise 38.Fa "vm_map_t map" "vm_offset_t start" "vm_offset_t end" "int behav" 39.Fc 40.Sh DESCRIPTION 41The 42.Fn vm_map_madvise 43function applies the flags 44.Fa behav 45to the entries within 46.Fa map 47between 48.Fa start 49and 50.Fa end . 51.Pp 52Advisories are classified as either those affecting the 53.Vt vm_map_entry 54structure, or those affecting the underlying objects. 55.Pp 56The 57.Fn vm_map_madvise 58function is used by the 59.Xr madvise 2 60system call. 61.Sh RETURN VALUES 62The 63.Fn vm_map_madvise 64function returns 0 if successful. 65If the 66.Fa behav 67argument was not recognised, 68.Dv KERN_INVALID_ARGUMENT 69is returned. 70.Sh SEE ALSO 71.Xr madvise 2 , 72.Xr vm_map 9 73.Sh AUTHORS 74This manual page was written by 75.An Bruce M Simpson Aq Mt bms@spc.org . 76