--- linux-2.6.18-xen.hg-xenU/drivers/xen/Kconfig	2008-05-20 13:48:59.576488000 +0200
+++ linux-2.6.18-xen.hg-xenU.bak/drivers/xen/Kconfig	2008-07-03 11:08:30.185692418 +0200
@@ -255,6 +255,13 @@
 	  Disable serial port drivers, allowing the Xen console driver
 	  to provide a serial console at ttyS0.
 
+config XEN_DAEMON_BALLOON_SUPPORT
+	bool "Enable xen daemon balloon support"
+        depends XEN_UNPRIVILEGED_GUEST
+        default n
+        help
+         Enable xen daemon balloon support
+
 config XEN_SYSFS
 	tristate "Export Xen attributes in sysfs"
 	depends on SYSFS
--- linux-2.6.18-xen.hg-xenU/fs/proc/proc_misc.c	2008-05-20 13:49:00.866441000 +0200
+++ linux-2.6.18-xen.hg-xenU.bak/fs/proc/proc_misc.c	2008-07-03 11:15:09.735692418 +0200
@@ -52,6 +52,10 @@
 #include <asm/div64.h>
 #include "internal.h"
 
+#ifdef CONFIG_XEN_DAEMON_BALLOON_SUPPORT
+#include <xen/xenbus.h>
+#endif
+
 #define LOAD_INT(x) ((x) >> FSHIFT)
 #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
 /*
@@ -203,6 +207,13 @@
 		vmi.used >> 10,
 		vmi.largest_chunk >> 10
 		);
+#ifdef CONFIG_XEN_DAEMON_BALLOON_SUPPORT
+ 		(void)xenbus_printf(XBT_NIL, "memory", "Committed_AS",
+                                "%lu", K(committed) );
+ 		(void)xenbus_printf(XBT_NIL, "memory", "MemTotal",
+                                "%lu", K(i.totalram) );
+#endif
+
 
 		len += hugetlb_report_meminfo(page + len);