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based on this patch from Andi Kleen: | Subject: CPA: Return the page table level in lookup_address() | From: Andi Kleen <ak@suse.de> | | Needed for the next change. | | And change all the callers. and ported it to x86.git. Signed-off-by: Andi Kleen <ak@suse.de> Acked-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>