[PATCH] i386: PARAVIRT: flush lazy mmu updates on kunmap_atomic

kunmap_atomic should flush any pending lazy mmu updates, mainly to be
consistent with kmap_atomic, and to preserve its normal behaviour.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Andi Kleen <ak@suse.de>

arch/i386/mm/highmem.c

@@ -72,6 +72,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type)
 #endif
 	}
 
+	arch_flush_lazy_mmu_mode();
 	pagefault_enable();
 }