#ifndef _ASM_X86_EDAC_H
  #define _ASM_X86_EDAC_H
  
  /* ECC atomic, DMA, SMP and interrupt safe scrub function */
  
  static inline void edac_atomic_scrub(void *va, u32 size)
  {
  	u32 i, *virt_addr = va;
  
  	/*
  	 * Very carefully read and write to memory atomically so we
  	 * are interrupt, DMA and SMP safe.
  	 */
  	for (i = 0; i < size / 4; i++, virt_addr++)
  		asm volatile("lock; addl $0, %0"::"m" (*virt_addr));
  }
  
  #endif /* _ASM_X86_EDAC_H */