memcpy_page
memcpy_page(dst_page, dst_oip,
memcpy_page(phys_to_page(dst), offset_in_page(dst),
memcpy_page(dst_page, dst, src_page, src, len);
memcpy_page(*dst_page, src, *src_page, src, l);
memcpy_page(*++dst_page, 0, *++src_page, 0, l);
memcpy_page(page, off, rpage, off, ret);
memcpy_page(bv.bv_page, bv.bv_offset,
memcpy_page(buf->pages[i], off, pages[i], off, n);