diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c
index 987267f79bf5154648cb729cedf29e712fa58ab3..a9c6611080347bd4368beff2ab582d07347fa256 100644
--- a/arch/x86/xen/suspend.c
+++ b/arch/x86/xen/suspend.c
@@ -60,6 +60,6 @@ static void xen_vcpu_notify_restore(void *data)
 
 void xen_arch_resume(void)
 {
-	smp_call_function(xen_vcpu_notify_restore,
-			       (void *)CLOCK_EVT_NOTIFY_RESUME, 1);
+	on_each_cpu(xen_vcpu_notify_restore,
+		    (void *)CLOCK_EVT_NOTIFY_RESUME, 1);
 }
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index eab33f1dbdf7013f451af491b882973ea017f718..7b547f53f65ee9267f19dd493a6ab7321310ed4c 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -499,7 +499,7 @@ int xenbus_printf(struct xenbus_transaction t,
 #define PRINTF_BUFFER_SIZE 4096
 	char *printf_buffer;
 
-	printf_buffer = kmalloc(PRINTF_BUFFER_SIZE, GFP_KERNEL);
+	printf_buffer = kmalloc(PRINTF_BUFFER_SIZE, GFP_NOIO | __GFP_HIGH);
 	if (printf_buffer == NULL)
 		return -ENOMEM;