diff --git a/fs/dax.c b/fs/dax.c
index af5045b0f476..676303419e9e 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -396,6 +396,7 @@ static inline unsigned long dax_folio_put(struct folio *folio)
 	order = folio_order(folio);
 	if (!order)
 		return 0;
+	folio_reset_order(folio);
 
 	for (i = 0; i < (1UL << order); i++) {
 		struct dev_pagemap *pgmap = page_pgmap(&folio->page);
diff --git a/include/linux/mm.h b/include/linux/mm.h
index b7f13f087954..bf55206935c4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1218,6 +1218,23 @@ static inline unsigned int folio_order(const struct folio *folio)
 	return folio_large_order(folio);
 }
 
+/**
+ * folio_reset_order - Reset the folio order and derived _nr_pages
+ * @folio: The folio.
+ *
+ * Reset the order and derived _nr_pages to 0. Must only be used in the
+ * process of splitting large folios.
+ */
+static inline void folio_reset_order(struct folio *folio)
+{
+	if (WARN_ON_ONCE(!folio_test_large(folio)))
+		return;
+	folio->_flags_1 &= ~0xffUL;
+#ifdef NR_PAGES_IN_LARGE_FOLIO
+	folio->_nr_pages = 0;
+#endif
+}
+
 #include <linux/huge_mm.h>
 
 /*