From: Darren Hart <dvhltc@us.ibm.com>
Date: Fri, 3 Apr 2009 20:39:42 +0000 (-0700)
Subject: futex: add helper to find the top prio waiter of a futex
X-Git-Tag: v2.6.31-rc1~409^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b1c486b3587d2abf50bee4a05eb488cd4045f2c;p=pandora-kernel.git

futex: add helper to find the top prio waiter of a futex

Improve legibility by wrapping finding the top waiter in a function.
This will be used by the follow-on patches for enabling requeue pi.

Signed-off-by: Darren Hart <dvhltc@us.ibm.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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