original_kernel/include/asm-sh/scatterlist.h

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#ifndef __ASM_SH_SCATTERLIST_H
#define __ASM_SH_SCATTERLIST_H
struct scatterlist {
struct page * page; /* Location for highmem page, if any */
unsigned int offset;/* for highmem, page offset */
dma_addr_t dma_address;
unsigned int length;
};
#define ISA_DMA_THRESHOLD (0x1fffffff)
#endif /* !(__ASM_SH_SCATTERLIST_H) */