1 | /* $NetBSD: gfp.h,v 1.5 2014/07/17 14:07:44 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_GFP_H_ |
33 | #define _LINUX_GFP_H_ |
34 | |
35 | /* GFP: `Get Free Page' */ |
36 | |
37 | #include <sys/param.h> |
38 | #include <sys/cdefs.h> |
39 | |
40 | typedef int gfp_t; |
41 | |
42 | #define GFP_ATOMIC (__GFP_HIGH) |
43 | #define GFP_DMA32 (__GFP_DMA32) |
44 | #define GFP_HIGHUSER (__GFP_FS | __GFP_HARDWALL | __GFP_HIGHMEM | \ |
45 | __GFP_IO | __GFP_WAIT) |
46 | #define GFP_KERNEL (__GFP_FS | __GFP_IO | __GFP_WAIT) |
47 | #define GFP_TEMPORARY (__GFP_FS | __GFP_IO | __GFP_RECLAIMABLE | __GFP_WAIT) |
48 | #define GFP_USER (__GFP_FS | __GFP_HARDWALL | __GFP_IO | __GFP_WAIT) |
49 | |
50 | #define GFP_NOWAIT (GFP_ATOMIC & ~__GFP_HIGH) |
51 | |
52 | #define __GFP_COMP __BIT(0) |
53 | #define __GFP_DMA32 __BIT(1) |
54 | #define __GFP_FS __BIT(2) |
55 | #define __GFP_HARDWALL __BIT(3) |
56 | #define __GFP_HIGH __BIT(4) |
57 | #define __GFP_HIGHMEM __BIT(5) |
58 | #define __GFP_IO __BIT(6) |
59 | #define __GFP_NORETRY __BIT(7) |
60 | #define __GFP_NOWARN __BIT(8) |
61 | #define __GFP_NO_KSWAPD __BIT(9) |
62 | #define __GFP_RECLAIMABLE __BIT(10) |
63 | #define __GFP_WAIT __BIT(11) |
64 | #define __GFP_ZERO __BIT(12) |
65 | |
66 | struct page; |
67 | |
68 | #endif /* _LINUX_GFP_H_ */ |
69 | |