linux-kernel - Introduce atomic_dec_and_lock

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Date:   Fri,  4 May 2018 17:45:28 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     linux-kernel@...r.kernel.org
Cc:     tglx@...utronix.de, Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, linux-mm@...ck.org,
        Shaohua Li <shli@...nel.org>, linux-raid@...r.kernel.org
Subject: Introduce atomic_dec_and_lock_irqsave()

This series introduces atomic_dec_and_lock_irqsave() and converts a few
users to use it. They were using local_irq_save() +
atomic_dec_and_lock() before that series.

Sebastian