xref: /freebsd/share/man/man9/vm_page_rename.9 (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1.\"
2.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\"    notice(s), this list of conditions and the following disclaimer as
9.\"    the first lines of this file unmodified other than the possible
10.\"    addition of one or more copyright notices.
11.\" 2. Redistributions in binary form must reproduce the above copyright
12.\"    notice(s), this list of conditions and the following disclaimer in the
13.\"    documentation and/or other materials provided with the distribution.
14.\"
15.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
16.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18.\" DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
25.\" DAMAGE.
26.\"
27.\" $FreeBSD$
28.\"
29.Dd July 17, 2001
30.Dt VM_PAGE_RENAME 9
31.Os
32.Sh NAME
33.Nm vm_page_rename
34.Nd "move a page"
35.Sh SYNOPSIS
36.In sys/param.h
37.In vm/vm.h
38.In vm/vm_page.h
39.Ft void
40.Fo vm_page_rename
41.Fa "vm_page_t m"
42.Fa "vm_object_t new_object"
43.Fa "vm_pindex_t new_pindex"
44.Fc
45.Sh DESCRIPTION
46The
47.Fn vm_page_rename
48function removes a page from one object, and adds it to another
49at the given page index.
50The page is added to the given object, and is removed from the
51object that is currently associated with.
52If the page is currently on the cache queue it will be deactivated
53unless it is wired or unmanaged, in which case the deactivation will
54fail.
55The entire page is marked as dirty after the move.
56.Pp
57The arguments to
58.Fn vm_page_rename
59are:
60.Bl -tag -width ".Fa new_object"
61.It Fa m
62The page to move.
63.It Fa new_object
64The object the page should be inserted into.
65.It Fa new_pindex
66The page index into
67.Fa new_object
68at which the new page should be inserted.
69.El
70.Sh AUTHORS
71This manual page was written by
72.An Chad David Aq Mt davidc@acns.ab.ca .
73