tree de40cc51d6670284bd60f5f77e13c85632d86a28
parent 29e9ee5d48c35d6cf8afe09bdf03f77125c9ac11
author Thomas Gleixner <tglx@linutronix.de> 1450555659 +0000
committer Thomas Gleixner <tglx@linutronix.de> 1450611804 +0100

futex: Document pi_state refcounting in requeue code

Documentation of the pi_state refcounting in the requeue code is non
existent. Add it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Darren Hart <darren@dvhart.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Bhuvanesh_Surachari@mentor.com
Cc: Andy Lowe <Andy_Lowe@mentor.com>
Link: http://lkml.kernel.org/r/20151219200607.335938312@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>