uml: out of tmpfs space error clarification

It turns out that the message complaining about a lack of tmpfs space
on the host can be misunderstood as referring to the UML.
Signed-off-by: NJeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/um/kernel/trap.c

@@ -229,8 +229,8 @@ void relay_signal(int sig, union uml_pt_regs *regs)
 
 	if(!UPT_IS_USER(regs)){
 		if(sig == SIGBUS)
-			printk("Bus error - the /dev/shm or /tmp mount likely "
-			       "just ran out of space\n");
+			printk("Bus error - the host /dev/shm or /tmp mount "
+			       "likely just ran out of space\n");
 		panic("Kernel mode signal %d", sig);
 	}