mm/migrate: Add folio_migrate_copy()

This is the folio equivalent of migrate_page_copy(), which is retained
as a wrapper for filesystems which are not yet converted to folios.
Also convert copy_huge_page() to folio_copy().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 95dc7b83381f..6378c1066459 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5302,7 +5302,7 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
 			*pagep = NULL;
 			goto out;
 		}
-		copy_huge_page(page, *pagep);
+		folio_copy(page_folio(page), page_folio(*pagep));
 		put_page(*pagep);
 		*pagep = NULL;
 	}