| Matthew Wilcox | 1366c37 | 2016-03-17 14:21:45 -0700 | [diff] [blame] | 1 | #ifndef _GFP_H |
| 2 | #define _GFP_H |
| 3 | |
| Valdis Kletnieks | 117dec9 | 2016-08-02 14:02:28 -0700 | [diff] [blame] | 4 | #define __GFP_BITS_SHIFT 26 |
| Matthew Wilcox | 1366c37 | 2016-03-17 14:21:45 -0700 | [diff] [blame] | 5 | #define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) |
| Matthew Wilcox | 31023cd | 2016-12-14 15:07:59 -0800 | [diff] [blame] | 6 | |
| 7 | #define __GFP_HIGH 0x20u |
| 8 | #define __GFP_IO 0x40u |
| 9 | #define __GFP_FS 0x80u |
| 10 | #define __GFP_NOWARN 0x200u |
| 11 | #define __GFP_ATOMIC 0x80000u |
| 12 | #define __GFP_ACCOUNT 0x100000u |
| 13 | #define __GFP_DIRECT_RECLAIM 0x400000u |
| 14 | #define __GFP_KSWAPD_RECLAIM 0x2000000u |
| 15 | |
| 16 | #define __GFP_RECLAIM (__GFP_DIRECT_RECLAIM|__GFP_KSWAPD_RECLAIM) |
| 17 | |
| 18 | #define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM) |
| 19 | #define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS) |
| 20 | |
| 21 | static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) |
| 22 | { |
| 23 | return !!(gfp_flags & __GFP_DIRECT_RECLAIM); |
| 24 | } |
| Matthew Wilcox | 1366c37 | 2016-03-17 14:21:45 -0700 | [diff] [blame] | 25 | |
| 26 | #endif |