diff -r 4188e75af983 -r 152d9c011bcd mercurial/filelog.py
--- a/mercurial/filelog.py	Sat Dec 03 01:16:22 2022 +0100
+++ b/mercurial/filelog.py	Sat Dec 03 01:31:23 2022 +0100
@@ -154,6 +154,7 @@
         duplicaterevisioncb=None,
         maybemissingparents=False,
         debug_info=None,
+        delta_base_reuse_policy=None,
     ):
         if maybemissingparents:
             raise error.Abort(
@@ -175,6 +176,7 @@
                 addrevisioncb=addrevisioncb,
                 duplicaterevisioncb=duplicaterevisioncb,
                 debug_info=debug_info,
+                delta_base_reuse_policy=delta_base_reuse_policy,
             )
 
     def getstrippoint(self, minlink):