[RFC PATCH] iommu/vt-d: intel_iommu_page_response() can be static

[kbuild test robot]

Fixes: 49c5977b4ee7 ("iommu/vt-d: add intel iommu page response function")
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 intel-iommu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 8d73ff0..06be796 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -5195,7 +5195,7 @@ static int intel_iommu_sva_invalidate(struct iommu_domain *domain,
 	return ret;
 }
 
-int intel_iommu_page_response(struct device *dev, struct page_response_msg *msg)
+static int intel_iommu_page_response(struct device *dev, struct page_response_msg *msg)
 {
 	struct qi_desc resp;
 	struct intel_iommu *iommu;