1 /* $NetBSD: pagemap.h,v 1.6 2021/12/19 11:33:49 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2013 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Taylor R. Campbell.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #ifndef _LINUX_PAGEMAP_H_
33 #define _LINUX_PAGEMAP_H_
34
35 #include <sys/types.h>
36
37 #include <linux/gfp.h>
38 #include <linux/highmem.h>
39 #include <linux/uaccess.h>
40
41 struct uvm_object;
42
43 static inline int
fault_in_multipages_readable(const char * uaddr __unused,size_t len __unused)44 fault_in_multipages_readable(const char *uaddr __unused, size_t len __unused)
45 {
46 return 0;
47 }
48
49 static inline int
fault_in_multipages_writeable(char * uaddr __unused,size_t len __unused)50 fault_in_multipages_writeable(char *uaddr __unused, size_t len __unused)
51 {
52 return 0;
53 }
54
55 static inline gfp_t
mapping_gfp_mask(struct uvm_object * uobj __unused)56 mapping_gfp_mask(struct uvm_object *uobj __unused)
57 {
58 return GFP_KERNEL;
59 }
60
61 #endif /* _LINUX_PAGEMAP_H_ */
62