1478 	struct page *subpage;  in try_to_unmap_one()  local
1538 		subpage = folio_page(folio, pfn - folio_pfn(folio));  in try_to_unmap_one()
1541 				 PageAnonExclusive(subpage);  in try_to_unmap_one()
1550 			VM_BUG_ON_PAGE(!PageHWPoison(subpage), subpage);  in try_to_unmap_one()
1631 		if (PageHWPoison(subpage) && (flags & TTU_HWPOISON)) {  in try_to_unmap_one()
1632 			pteval = swp_entry_to_pte(make_hwpoison_entry(subpage));  in try_to_unmap_one()
1655 			swp_entry_t entry = page_swap_entry(subpage);  in try_to_unmap_one()
1726 			    page_try_share_anon_rmap(subpage)) {  in try_to_unmap_one()
1764 		page_remove_rmap(subpage, vma, folio_test_hugetlb(folio));  in try_to_unmap_one()
1823 	struct page *subpage;  in try_to_migrate_one()  local
1874 			subpage = folio_page(folio,  in try_to_migrate_one()
1879 			if (set_pmd_migration_entry(&pvmw, subpage)) {  in try_to_migrate_one()
1905 			subpage = &folio->page;  in try_to_migrate_one()
1907 			subpage = folio_page(folio, pfn - folio_pfn(folio));  in try_to_migrate_one()
1911 				 PageAnonExclusive(subpage);  in try_to_migrate_one()
1997 				BUG_ON(page_try_share_anon_rmap(subpage));  in try_to_migrate_one()
2028 		} else if (PageHWPoison(subpage)) {  in try_to_migrate_one()
2029 			pteval = swp_entry_to_pte(make_hwpoison_entry(subpage));  in try_to_migrate_one()
2066 				       !anon_exclusive, subpage);  in try_to_migrate_one()
2070 			    page_try_share_anon_rmap(subpage)) {  in try_to_migrate_one()
2088 							page_to_pfn(subpage));  in try_to_migrate_one()
2091 							page_to_pfn(subpage));  in try_to_migrate_one()
2094 							page_to_pfn(subpage));  in try_to_migrate_one()
2117 		page_remove_rmap(subpage, vma, folio_test_hugetlb(folio));  in try_to_migrate_one()
2189 	struct page *subpage;  in page_make_device_exclusive_one()  local
2213 		subpage = folio_page(folio,  in page_make_device_exclusive_one()
2240 							page_to_pfn(subpage));  in page_make_device_exclusive_one()
2243 							page_to_pfn(subpage));  in page_make_device_exclusive_one()
2256 		page_remove_rmap(subpage, vma, false);  in page_make_device_exclusive_one()