diff --git a/drivers/firmware/efi/libstub/efi-stub.c b/drivers/firmware/efi/libstub/efi-stub.c
index 99a5cde7c2d8fc52e914e4c7f2e38a8dc91c4f58..8a26cc11ca4af711558c7ddc1d8c635aa4bb5d3a 100644
--- a/drivers/firmware/efi/libstub/efi-stub.c
+++ b/drivers/firmware/efi/libstub/efi-stub.c
@@ -65,7 +65,7 @@ static struct screen_info *setup_graphics(void)
 	return si;
 }
 
-void install_memreserve_table(void)
+static void install_memreserve_table(void)
 {
 	struct linux_efi_memreserve *rsv;
 	efi_guid_t memreserve_table_guid = LINUX_EFI_MEMRESERVE_TABLE_GUID;