1 /* $NetBSD: uvm_swapstub.c,v 1.9 2024/03/15 07:09:37 andvar Exp $ */
2
3 /*-
4 * Copyright (c)2005 YAMAMOTO Takashi,
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 /*
30 * Dummy routines used when "options VMSWAP" is not configured.
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: uvm_swapstub.c,v 1.9 2024/03/15 07:09:37 andvar Exp $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/mount.h>
39 #include <sys/syscallargs.h>
40
41 #include <uvm/uvm.h>
42
43 int (*uvm_swap_stats50)(const struct sys_swapctl_args *, register_t *) =
44 (void *)enosys;
45
46 void
uvm_swap_init(void)47 uvm_swap_init(void)
48 {
49
50 /* nothing */
51 }
52
53 int
sys_swapctl(struct lwp * l,const struct sys_swapctl_args * v,register_t * retval)54 sys_swapctl(struct lwp *l, const struct sys_swapctl_args *v, register_t *retval)
55 {
56
57 return ENOSYS;
58 }
59
60 void
uvm_swap_shutdown(struct lwp * l)61 uvm_swap_shutdown(struct lwp *l)
62 {
63
64 /* nothing */
65 }
66