--- a/mercurial/configitems.py Fri Jun 30 03:43:35 2017 +0200
+++ b/mercurial/configitems.py Fri Jun 30 03:45:58 2017 +0200
@@ -155,3 +155,6 @@
coreconfigitem('ui', 'quiet',
default=False,
)
+coreconfigitem('worker', 'backgroundclosemaxqueue',
+ default=384,
+)