| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _GFP_H |
| #define _GFP_H |
| |
| #include <linux/types.h> |
| |
| #define __GFP_BITS_SHIFT 26 |
| #define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) |
| |
| #define __GFP_HIGH 0x20u |
| #define __GFP_IO 0x40u |
| #define __GFP_FS 0x80u |
| #define __GFP_NOWARN 0x200u |
| #define __GFP_ZERO 0x8000u |
| #define __GFP_ATOMIC 0x80000u |
| #define __GFP_ACCOUNT 0x100000u |
| #define __GFP_DIRECT_RECLAIM 0x400000u |
| #define __GFP_KSWAPD_RECLAIM 0x2000000u |
| |
| #define __GFP_RECLAIM (__GFP_DIRECT_RECLAIM|__GFP_KSWAPD_RECLAIM) |
| |
| #define GFP_ZONEMASK 0x0fu |
| #define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM) |
| #define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS) |
| #define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM) |
| |
| |
| static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) |
| { |
| return !!(gfp_flags & __GFP_DIRECT_RECLAIM); |
| } |
| |
| #endif |