backport/backport-include/linux/percpu.h

   1 /*
   2  * Copyright (C) 2018 Intel Corporation
   3  */
   4 #ifndef __BACKPORT_PERCPU_H
   5 #define __BACKPORT_PERCPU_H
   6 #include_next <linux/percpu.h>
   7
   8 #if LINUX_VERSION_IS_LESS(3,18,0)
   9 static inline void __percpu *__alloc_gfp_warn(void)
  10 {
  11         WARN(1, "Cannot backport alloc_percpu_gfp");
  12         return NULL;
  13 }
  14
  15 #define alloc_percpu_gfp(type, gfp) \
  16         ({ (gfp == GFP_KERNEL) ? alloc_percpu(type) : __alloc_gfp_warn(); })
  17 #endif /* LINUX_VERSION_IS_LESS(3,18,0) */
  18
  19 #endif /* __BACKPORT_PERCPU_H */