1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 6586cbd0d4a..88be890ee3c 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -111,6 +111,7 @@ int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 void acpi_irq_stats_init(void);
 extern u32 acpi_irq_handled;
+extern u32 acpi_irq_not_handled;
 
 extern struct acpi_mcfg_allocation *pci_mmcfg_config;
 extern int pci_mmcfg_config_num;