edac.h

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#ifndef _ASM_X86_EDAC_H
#define _ASM_X86_EDAC_H

/* ECC atomic, DMA, SMP and interrupt safe scrub function */

static inline void 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 */