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 27 static 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 */ 33