struct page *page;
struct page_ext *page_ext;
struct page_owner *page_owner;
- unsigned long pfn = zone->zone_start_pfn, block_end_pfn;
- unsigned long end_pfn = pfn + zone->spanned_pages;
+ unsigned long pfn, block_end_pfn;
+ unsigned long end_pfn = zone_end_pfn(zone);
unsigned long count[MIGRATE_TYPES] = { 0, };
int pageblock_mt, page_mt;
int i;