x86: hardirq: use inc_irq_stat() in non-unified functions

Impact: cleanup

Replace incrementing irq stat with inc_irq_stat() in non-unified functions.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/tlb_64.c b/arch/x86/kernel/tlb_64.c
index 8f919ca..29887d7 100644
--- a/arch/x86/kernel/tlb_64.c
+++ b/arch/x86/kernel/tlb_64.c
@@ -154,7 +154,7 @@
 out:
 	ack_APIC_irq();
 	cpu_clear(cpu, f->flush_cpumask);
-	add_pda(irq_tlb_count, 1);
+	inc_irq_stat(irq_tlb_count);
 }
 
 void native_flush_tlb_others(const cpumask_t *cpumaskp, struct mm_struct *mm,