Comment actually it's not configurable (Score 1) 586
The upstream kernel includes this function on every build and it is not possible to exclude it. There is no such config option. The only way that it won't be present in a standard install of any kernel v2.6.17 and newer is if the admin/packager explicitly jumped in to the source or build system and excluded it.This is not an universal problem. It only occurs for those kernels with a specific function compiled in that most installations won't need