1 /*-
2 * Copyright (c) 2020 The FreeBSD Foundation
3 *
4 * This software was developed by Emmanuel Vadot under sponsorship
5 * from the FreeBSD Foundation.
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 #ifndef _LINUXKPI_LINUX_PAGEMAP_H_
30 #define _LINUXKPI_LINUX_PAGEMAP_H_
31
32 #include <linux/mm.h>
33 #include <linux/highmem.h>
34 #include <linux/vmalloc.h>
35
36 #define invalidate_mapping_pages(...) \
37 linux_invalidate_mapping_pages(__VA_ARGS__)
38
39 unsigned long linux_invalidate_mapping_pages(vm_object_t obj, pgoff_t start,
40 pgoff_t end);
41
42 static inline void
release_pages(struct page ** pages,int nr)43 release_pages(struct page **pages, int nr)
44 {
45 int i;
46
47 for (i = 0; i < nr; i++)
48 put_page(pages[i]);
49 }
50
51 static inline void
mapping_clear_unevictable(vm_object_t mapping)52 mapping_clear_unevictable(vm_object_t mapping)
53 {
54 }
55
56 #endif
57