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-rw-r--r--include/linux/irqdesc.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index c28612674acb..fd091c35d572 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -20,9 +20,13 @@ struct pt_regs;
/**
* struct irqstat - interrupt statistics
* @cnt: real-time interrupt count
+ * @ref: snapshot of interrupt count
*/
struct irqstat {
unsigned int cnt;
+#ifdef CONFIG_GENERIC_IRQ_STAT_SNAPSHOT
+ unsigned int ref;
+#endif
};
/**