# HG changeset patch
# User Boris Feld <boris.feld@octobus.net>
# Date 1547823746 -3600
# Node ID bf4a078b3f88e76f7e523089cafdba27664d1c2e
# Parent  b5d7413e40099d71d29d2343624e4344ad8f2b07
mmap: backed out changeset 74a9f428227e

There have been concrete and theoretical issues raised, this will need more
work during the next cycle.

diff -r b5d7413e4009 -r bf4a078b3f88 mercurial/configitems.py
--- a/mercurial/configitems.py	Fri Jan 18 23:22:56 2019 -0500
+++ b/mercurial/configitems.py	Fri Jan 18 16:02:26 2019 +0100
@@ -988,7 +988,7 @@
     default=False,
 )
 coreconfigitem('storage', 'mmap-threshold',
-    default='1MB',
+    default=None,
     alias=[('experimental', 'mmapindexthreshold')],
 )
 coreconfigitem('rewrite', 'backup-bundle',