File xl-conf-disable-autoballoon.patch of Package xen.12874

--- xen-4.12.0-testing/tools/examples/xl.conf.orig	2019-03-11 06:17:17.586380817 -0600
+++ xen-4.12.0-testing/tools/examples/xl.conf	2019-03-11 06:17:31.314553910 -0600
@@ -3,7 +3,7 @@
 # Control whether dom0 is ballooned down when xen doesn't have enough
 # free memory to create a domain.  "auto" means only balloon if dom0
 # starts with all the host's memory.
-#autoballoon="auto"
+autoballoon="off"
 
 # full path of the lockfile used by xl during domain creation
 #lockfile="/var/lock/xl"