diff --git a/mm/filemap.c b/mm/filemap.c
index fcfec2a78a30..fdaa1e5e3078 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2046,17 +2046,20 @@ unsigned find_get_entries(struct address_space *mapping, pgoff_t *start,
 		if (!folio_batch_add(fbatch, folio))
 			break;
 	}
-	rcu_read_unlock();
 
 	if (folio_batch_count(fbatch)) {
-		unsigned long nr = 1;
+		unsigned long nr;
 		int idx = folio_batch_count(fbatch) - 1;
 
 		folio = fbatch->folios[idx];
 		if (!xa_is_value(folio))
 			nr = folio_nr_pages(folio);
-		*start = indices[idx] + nr;
+		else
+			nr = 1 << xa_get_order(&mapping->i_pages, indices[idx]);
+		*start = round_down(indices[idx] + nr, nr);
 	}
+	rcu_read_unlock();
+
 	return folio_batch_count(fbatch);
 }
 
@@ -2088,10 +2091,17 @@ unsigned find_lock_entries(struct address_space *mapping, pgoff_t *start,
 
 	rcu_read_lock();
 	while ((folio = find_get_entry(&xas, end, XA_PRESENT))) {
+		unsigned long base;
+		unsigned long nr;
+
 		if (!xa_is_value(folio)) {
-			if (folio->index < *start)
+			nr = folio_nr_pages(folio);
+			base = folio->index;
+			/* Omit large folio which begins before the start */
+			if (base < *start)
 				goto put;
-			if (folio_next_index(folio) - 1 > end)
+			/* Omit large folio which extends beyond the end */
+			if (base + nr - 1 > end)
 				goto put;
 			if (!folio_trylock(folio))
 				goto put;
@@ -2100,7 +2110,19 @@ unsigned find_lock_entries(struct address_space *mapping, pgoff_t *start,
 				goto unlock;
 			VM_BUG_ON_FOLIO(!folio_contains(folio, xas.xa_index),
 					folio);
+		} else {
+			nr = 1 << xa_get_order(&mapping->i_pages, xas.xa_index);
+			base = xas.xa_index & ~(nr - 1);
+			/* Omit order>0 value which begins before the start */
+			if (base < *start)
+				continue;
+			/* Omit order>0 value which extends beyond the end */
+			if (base + nr - 1 > end)
+				break;
 		}
+
+		/* Update start now so that last update is correct on return */
+		*start = base + nr;
 		indices[fbatch->nr] = xas.xa_index;
 		if (!folio_batch_add(fbatch, folio))
 			break;
@@ -2112,15 +2134,6 @@ put:
 	}
 	rcu_read_unlock();
 
-	if (folio_batch_count(fbatch)) {
-		unsigned long nr = 1;
-		int idx = folio_batch_count(fbatch) - 1;
-
-		folio = fbatch->folios[idx];
-		if (!xa_is_value(folio))
-			nr = folio_nr_pages(folio);
-		*start = indices[idx] + nr;
-	}
 	return folio_batch_count(fbatch);
 }