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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1366c37e MW |
2 | #ifndef _GFP_H |
3 | #define _GFP_H | |
4 | ||
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5 | #include <linux/types.h> |
6 | ||
117dec97 | 7 | #define __GFP_BITS_SHIFT 26 |
1366c37e | 8 | #define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) |
31023cd6 MW |
9 | |
10 | #define __GFP_HIGH 0x20u | |
11 | #define __GFP_IO 0x40u | |
12 | #define __GFP_FS 0x80u | |
13 | #define __GFP_NOWARN 0x200u | |
14 | #define __GFP_ATOMIC 0x80000u | |
15 | #define __GFP_ACCOUNT 0x100000u | |
16 | #define __GFP_DIRECT_RECLAIM 0x400000u | |
17 | #define __GFP_KSWAPD_RECLAIM 0x2000000u | |
18 | ||
0a835c4f MW |
19 | #define __GFP_RECLAIM (__GFP_DIRECT_RECLAIM|__GFP_KSWAPD_RECLAIM) |
20 | ||
21 | #define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM) | |
22 | #define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS) | |
23 | #define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM) | |
31023cd6 | 24 | |
31023cd6 MW |
25 | |
26 | static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) | |
27 | { | |
28 | return !!(gfp_flags & __GFP_DIRECT_RECLAIM); | |
29 | } | |
1366c37e MW |
30 | |
31 | #endif |