sg_set_page
sg_set_page(sg, virt_to_page(buf), buflen,
sg_set_page(s, pages[cur], MIN(size, seg_size), off);
sg_set_page(sg, &folio->page, len, offset);
sg_set_page(sg, bp->bio_ma[i], len, offset);
sg_set_page(mem, page, PAGE_SIZE << order, 0);
sg_set_page(mem, page, PAGE_SIZE << order, 0);
sg_set_page(&db_tab->page[i].mem, pages[0], MTHCA_ICM_PAGE_SIZE,
sg_set_page(sg, page_list[i], PAGE_SIZE, 0);