Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _TOOLS_INCLUDE_LINUX_GFP_H
3#define _TOOLS_INCLUDE_LINUX_GFP_H
4
5#include <linux/types.h>
6
7#define __GFP_BITS_SHIFT 26
8#define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
9
10#define __GFP_HIGH 0x20u
11#define __GFP_IO 0x40u
12#define __GFP_FS 0x80u
13#define __GFP_NOWARN 0x200u
14#define __GFP_ZERO 0x8000u
15#define __GFP_ATOMIC 0x80000u
16#define __GFP_ACCOUNT 0x100000u
17#define __GFP_DIRECT_RECLAIM 0x400000u
18#define __GFP_KSWAPD_RECLAIM 0x2000000u
19
20#define __GFP_RECLAIM (__GFP_DIRECT_RECLAIM | __GFP_KSWAPD_RECLAIM)
21
22#define GFP_ZONEMASK 0x0fu
23#define GFP_ATOMIC (__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM)
24#define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS)
25#define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM)
26
27static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
28{
29 return !!(gfp_flags & __GFP_DIRECT_RECLAIM);
30}
31
32#endif /* _TOOLS_INCLUDE_LINUX_GFP_H */