1 files changed, 1 insertions, 1 deletions
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index d4a560d2deb..3f93a6b4e17 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -144,7 +144,7 @@ void acpi_os_release_mutex(acpi_mutex handle);
 void *acpi_os_allocate(acpi_size size);
 
 void __iomem *acpi_os_map_memory(acpi_physical_address where,
-				 acpi_native_uint length);
+				acpi_size length);
 
 void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);