1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _GFP_H 3#define _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 28static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) 29{ 30 return !!(gfp_flags & __GFP_DIRECT_RECLAIM); 31} 32 33#endif 34