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

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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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Darren Hart 2009-04-03 13:39:42 -07:00 • committed by Thomas Gleixner

parent ca5f9524d6

commit 4b1c486b35

1 changed files with 19 additions and 0 deletions

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kernel/futex.c

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