diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index b18c2b2e7d2c..939b5ea8c9e0 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -368,6 +368,8 @@ typedef unsigned short mm_id_t;
  *    dax_associate_entry.
  * @private: Filesystem per-folio data (see folio_attach_private()).
  * @swap: Used for swp_entry_t if folio_test_swapcache().
+ * @migrate_info: Stores migration state (anon_vma pointer and
+ *    FOLIO_WAS_* markers).
  * @_mapcount: Do not access this member directly.  Use folio_mapcount() to
  *    find out how many times this folio is mapped by userspace.
  * @_refcount: Do not access this member directly.  Use folio_ref_count()
@@ -427,6 +429,7 @@ struct folio {
 			union {
 				void *private;
 				swp_entry_t swap;
+				unsigned long migrate_info;
 			};
 			atomic_t _mapcount;
 			atomic_t _refcount;
diff --git a/mm/migrate.c b/mm/migrate.c
index 5bc81d61116f..6fb6f46eea5f 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1130,7 +1130,7 @@ static int move_to_new_folio(struct folio *dst, struct folio *src,
 }
 
 /*
- * To record some information during migration, we use unused private
+ * To record some information during migration, we use the migrate_info
  * field of struct folio of the newly allocated destination folio.
  * This is safe because nobody is using it except us.
  */
@@ -1143,17 +1143,17 @@ enum {
 static void __migrate_folio_record(struct folio *dst,
 		int old_folio_state, struct anon_vma *anon_vma)
 {
-	dst->private = (void *)anon_vma + old_folio_state;
+	dst->migrate_info = (unsigned long)anon_vma | old_folio_state;
 }
 
 static void __migrate_folio_extract(struct folio *dst,
 		int *old_folio_state, struct anon_vma **anon_vmap)
 {
-	unsigned long private = (unsigned long)dst->private;
+	unsigned long info = dst->migrate_info;
 
-	*anon_vmap = (struct anon_vma *)(private & ~FOLIO_OLD_STATES);
-	*old_folio_state = private & FOLIO_OLD_STATES;
-	dst->private = NULL;
+	*anon_vmap = (struct anon_vma *)(info & ~FOLIO_OLD_STATES);
+	*old_folio_state = info & FOLIO_OLD_STATES;
+	dst->migrate_info = 0;
 }
 
 /* Restore the source folio to the original state upon failure */
@@ -1214,7 +1214,7 @@ static int migrate_folio_unmap(new_folio_t get_new_folio,
 		return -ENOMEM;
 	*dstp = dst;
 
-	dst->private = NULL;
+	dst->migrate_info = 0;
 
 	if (!folio_trylock(src)) {
 		if (mode == MIGRATE_ASYNC)