--- linux-2.6.34.1/drivers/xen/balloon/balloon.c.orig	2010-09-03 12:41:58.369787360 +0200
+++ linux-2.6.34.1/drivers/xen/balloon/balloon.c	2010-09-03 12:43:27.771891174 +0200
@@ -269,6 +269,9 @@
 		min_pages = MB2PAGES(296) + (max_pfn >> 5);
 #undef MB2PAGES
 
+	/* We don't want any artificial limit */
+	min_pages = 0;
+	
 	/* Don't enforce growth */
 	return min(min_pages, curr_pages);
 #ifndef CONFIG_XEN