# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 2023-09-19 21:14:01
# Node ID 6c3798b4597fd72823b32fc307329c3ac00cc40b
# Parent  569eb5d0420df2dc131b3bb7b3424019a6d2c50c

revlog: document the `clearcaches` method

A small docstring does not hurt.

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -919,6 +919,7 @@ class revlog:
                 nodemaputil.setup_persistent_nodemap(transaction, self)
 
     def clearcaches(self):
+        """Clear in-memory caches"""
         self._revisioncache = None
         self._chainbasecache.clear()
         self._segmentfile.clear_cache()