original_kernel/include/asm-s390/scatterlist.h

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#ifndef _ASMS390_SCATTERLIST_H
#define _ASMS390_SCATTERLIST_H
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
#endif
unsigned long page_link;
unsigned int offset;
unsigned int length;
};
#ifdef __s390x__
#define ISA_DMA_THRESHOLD (0xffffffffffffffffUL)
#else
#define ISA_DMA_THRESHOLD (0xffffffffUL)
#endif
#endif /* _ASMS390X_SCATTERLIST_H */