From ea71a546706dfdad72462624394e1e472c6bf34f Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Fri, 20 Jun 2008 18:32:20 +0400
Subject: [PATCH] sched: refactor wait_for_completion_timeout()

Simplify the code and fix the boundary condition of
wait_for_completion_timeout(,0).

We can kill the first __remove_wait_queue() as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
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