Index: kernel/drivers/tty/tty_buffer.c

===================================================================

--- kernel.orig/drivers/tty/tty_buffer.c

+++ kernel/drivers/tty/tty_buffer.c

@@ -217,6 +217,10 @@ int tty_buffer_request_room(struct tty_p

 	/* OPTIMISATION: We could keep a per tty "zero" sized buffer to

 	   remove this conditional if its worth it. This would be invisible

 	   to the callers */

+

+	if (!size)

+		printk("kpatch-test: testing .smp_locks section changes\n");

+

 	b = buf->tail;

 	if (b != NULL)

 		left = b->size - b->used;