Index: 2006-06-29/linux-2.6-xen-sparse/arch/i386/mm/hypervisor.c
===================================================================
--- 2006-06-29.orig/linux-2.6-xen-sparse/arch/i386/mm/hypervisor.c	2006-06-29 15:32:35.000000000 +0200
+++ 2006-06-29/linux-2.6-xen-sparse/arch/i386/mm/hypervisor.c	2006-06-29 15:33:10.000000000 +0200
@@ -350,12 +350,13 @@ int xen_create_contiguous_region(
 		if (HYPERVISOR_update_va_mapping(vstart + (i*PAGE_SIZE),
 						 pfn_pte_ma(frame,
 							    PAGE_KERNEL),
-						 0))
+						 order ? 0 : UVMF_INVLPG|UVMF_ALL))
 			BUG();
 		set_phys_to_machine((__pa(vstart)>>PAGE_SHIFT)+i, frame);
 	}
 
-	flush_tlb_all();
+	if (order)
+		flush_tlb_all();
 
 	if (success)
 		contiguous_bitmap_set(__pa(vstart) >> PAGE_SHIFT,
@@ -439,12 +440,13 @@ void xen_destroy_contiguous_region(unsig
 		if (HYPERVISOR_update_va_mapping(vstart + (i*PAGE_SIZE),
 						 pfn_pte_ma(frame,
 							    PAGE_KERNEL),
-						 0))
+						 order ? 0 : UVMF_INVLPG|UVMF_ALL))
 			BUG();
 		set_phys_to_machine((__pa(vstart)>>PAGE_SHIFT)+i, frame);
 	}
 
-	flush_tlb_all();
+	if (order)
+		flush_tlb_all();
 
 	balloon_unlock(flags);