page_to_pfn
return (page_to_pfn(&folio->page));
#define nth_page(page,n) pfn_to_page(page_to_pfn(page) + (n))
page_to_pfn(pages[i]) != page_to_pfn(pages[i - 1]) + 1) {
if (len >= max_segment || page_to_pfn(pages[j]) !=
page_to_pfn(pages[j - 1]) + 1)
if (glob->zone_dma32 && page_to_pfn(page) > 0x00100000UL)
if (glob->zone_dma32 && page_to_pfn(page) > 0x00100000UL)