1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef __LINUX_GFP_H
13#define __LINUX_GFP_H
14
15#include <linux/mmzone.h>
16#include <linux/stddef.h>
17#include <linux/linkage.h>
18
19struct vm_area_struct;
20
21#define __GFP_DMA ((__force gfp_t)0x01u)
22#define __GFP_HIGHMEM ((__force gfp_t)0x02u)
23#if BITS_PER_LONG < 64
24#define __GFP_DMA32 ((__force gfp_t)0x00)
25#else
26#define __GFP_DMA32 ((__force gfp_t)0x04)
27#endif
28
29#define __GFP_WAIT ((__force gfp_t)0x10u)
30#define __GFP_HIGH ((__force gfp_t)0x20u)
31#define __GFP_IO ((__force gfp_t)0x40u)
32#define __GFP_FS ((__force gfp_t)0x80u)
33#define __GFP_COLD ((__force gfp_t)0x100u)
34#define __GFP_NOWARN ((__force gfp_t)0x200u)
35#define __GFP_REPEAT ((__force gfp_t)0x400u)
36#define __GFP_NOFAIL ((__force gfp_t)0x800u)
37#define __GFP_NORETRY ((__force gfp_t)0x1000u)
38#define __GFP_NO_GROW ((__force gfp_t)0x2000u)
39#define __GFP_COMP ((__force gfp_t)0x4000u)
40#define __GFP_ZERO ((__force gfp_t)0x8000u)
41#define __GFP_NOMEMALLOC ((__force gfp_t)0x10000u)
42#define __GFP_HARDWALL ((__force gfp_t)0x20000u)
43
44#define __GFP_BITS_SHIFT 20
45#define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
46
47#define GFP_LEVEL_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS|   __GFP_COLD|__GFP_NOWARN|__GFP_REPEAT|   __GFP_NOFAIL|__GFP_NORETRY|__GFP_NO_GROW|__GFP_COMP|   __GFP_NOMEMALLOC|__GFP_HARDWALL)
48
49#define GFP_NOWAIT (GFP_ATOMIC & ~__GFP_HIGH)
50
51#define GFP_ATOMIC (__GFP_HIGH)
52#define GFP_NOIO (__GFP_WAIT)
53#define GFP_NOFS (__GFP_WAIT | __GFP_IO)
54#define GFP_KERNEL (__GFP_WAIT | __GFP_IO | __GFP_FS)
55#define GFP_USER (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL)
56#define GFP_HIGHUSER (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL |   __GFP_HIGHMEM)
57
58#define GFP_DMA __GFP_DMA
59
60#define GFP_DMA32 __GFP_DMA32
61
62#ifndef HAVE_ARCH_FREE_PAGE
63#endif
64
65#define alloc_pages(gfp_mask, order)   alloc_pages_node(numa_node_id(), gfp_mask, order)
66#define alloc_page_vma(gfp_mask, vma, addr) alloc_pages(gfp_mask, 0)
67#define alloc_page(gfp_mask) alloc_pages(gfp_mask, 0)
68
69#define __get_free_page(gfp_mask)   __get_free_pages((gfp_mask),0)
70
71#define __get_dma_pages(gfp_mask, order)   __get_free_pages((gfp_mask) | GFP_DMA,(order))
72
73#define __free_page(page) __free_pages((page), 0)
74#define free_page(addr) free_pages((addr),0)
75
76#endif
77