2012/7/4 Andrew Morton [off-list ref]:

On Sat, 30 Jun 2012 14:59:24 +0900
Akinobu Mita [off-list ref] wrote:

quoted

This provides kernel modules that can be used to test the error handling
of notifier call chain failures by injecting artifical errors to the
following notifier chain callbacks.

No updates to Documentation/fault-injection/?

Thanks for the remainder.
I'll prepare to add a document to it.