tools/testing/radix-tree/linux/gfp.h

   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_ATOMIC      (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)
  23 #define GFP_KERNEL      (__GFP_RECLAIM | __GFP_IO | __GFP_FS)
  24 #define GFP_NOWAIT      (__GFP_KSWAPD_RECLAIM)
  25
  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