#ifndef _LIBLOCKDEP_LINUX_COMPILER_H_
  #define _LIBLOCKDEP_LINUX_COMPILER_H_
  
  #define __used		__attribute__((__unused__))
  #define unlikely
  #define WRITE_ONCE(x, val) x=(val)
  #define RCU_INIT_POINTER(p, v) p=(v)
  
  #endif