mm/rmap: Convert try_to_migrate() to folios
Convert the callers to pass a folio and the try_to_migrate_one()
worker to use a folio throughout. Fixes an assumption that a
folio must be <= PMD size.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
diff --git a/mm/migrate_device.c b/mm/migrate_device.c
index 0326b90..b2c611d 100644
--- a/mm/migrate_device.c
+++ b/mm/migrate_device.c
@@ -333,6 +333,7 @@ static void migrate_vma_unmap(struct migrate_vma *migrate)
for (i = 0; i < npages; i++) {
struct page *page = migrate_pfn_to_page(migrate->src[i]);
+ struct folio *folio;
if (!page)
continue;
@@ -356,8 +357,9 @@ static void migrate_vma_unmap(struct migrate_vma *migrate)
put_page(page);
}
- if (page_mapped(page))
- try_to_migrate(page, 0);
+ folio = page_folio(page);
+ if (folio_mapped(folio))
+ try_to_migrate(folio, 0);
if (page_mapped(page) || !migrate_vma_check_page(page)) {
if (!is_zone_device_page(page)) {
