[PATCH 2/5] mm: migrate_device: use a newfolio in __migrate_device_pages()

[Kefeng Wang <wangkefeng.wang@huawei.com>]

Use a newfolio instead of newpage and convert to more folio api in
__migrate_device_pages().

Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/migrate_device.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/mm/migrate_device.c b/mm/migrate_device.c
index aecc71972a87..f5e034de718a 100644
--- a/mm/migrate_device.c
+++ b/mm/migrate_device.c
@@ -692,7 +692,7 @@ static void __migrate_device_pages(unsigned long *src_pfns,
 		struct page *newpage = migrate_pfn_to_page(dst_pfns[i]);
 		struct page *page = migrate_pfn_to_page(src_pfns[i]);
 		struct address_space *mapping;
-		struct folio *folio;
+		struct folio *newfolio, *folio;
 		int r;
 
 		if (!newpage) {
@@ -727,11 +727,12 @@ static void __migrate_device_pages(unsigned long *src_pfns,
 			continue;
 		}
 
+		newfolio = page_folio(newpage);
 		folio = page_folio(page);
 		mapping = folio_mapping(folio);
 
-		if (is_device_private_page(newpage) ||
-		    is_device_coherent_page(newpage)) {
+		if (folio_is_device_private(newfolio) ||
+		    folio_is_device_coherent(newfolio)) {
 			if (mapping) {
 				/*
 				 * For now only support anonymous memory migrating to
@@ -745,7 +746,7 @@ static void __migrate_device_pages(unsigned long *src_pfns,
 					continue;
 				}
 			}
-		} else if (is_zone_device_page(newpage)) {
+		} else if (folio_is_zone_device(newfolio)) {
 			/*
 			 * Other types of ZONE_DEVICE page are not supported.
 			 */
@@ -754,11 +755,11 @@ static void __migrate_device_pages(unsigned long *src_pfns,
 		}
 
 		if (migrate && migrate->fault_page == page)
-			r = migrate_folio_extra(mapping, page_folio(newpage),
-						folio, MIGRATE_SYNC_NO_COPY, 1);
+			r = migrate_folio_extra(mapping, newfolio, folio,
+						MIGRATE_SYNC_NO_COPY, 1);
 		else
-			r = migrate_folio(mapping, page_folio(newpage),
-					folio, MIGRATE_SYNC_NO_COPY);
+			r = migrate_folio(mapping, newfolio, folio,
+					  MIGRATE_SYNC_NO_COPY);
 		if (r != MIGRATEPAGE_SUCCESS)
 			src_pfns[i] &= ~MIGRATE_PFN_MIGRATE;
 	}
-- 
2.27.0