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-rw-r--r--include/linux/hardirq.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 5912874..71d2b8a 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -90,6 +90,8 @@ extern void synchronize_irq(unsigned int irq);
#define nmi_enter() irq_enter()
#define nmi_exit() sub_preempt_count(HARDIRQ_OFFSET)
+struct task_struct;
+
#ifndef CONFIG_VIRT_CPU_ACCOUNTING
static inline void account_user_vtime(struct task_struct *tsk)
{
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