[PATCH] [18/40] i386: flush lazy mmu updates on kunmap_atomic

[Andi Kleen]

From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
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@xxxxxxxxxxxxx>
Signed-off-by: Andi Kleen <ak@xxxxxxx>

---
 arch/i386/mm/highmem.c |    1 +
 1 file changed, 1 insertion(+)

===================================================================
Index: linux/arch/i386/mm/highmem.c
===================================================================
--- linux.orig/arch/i386/mm/highmem.c
+++ linux/arch/i386/mm/highmem.c
@@ -72,6 +72,7 @@ void kunmap_atomic(void *kvaddr, enum km
 #endif
 	}
 
+	arch_flush_lazy_mmu_mode();
 	pagefault_enable();
 }
 
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