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Date: Wed, 15 Jan 2014 15:33:28 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Sangjung Woo <sangjung.woo@samsung.com>
Cc: Rob Landley <rob@landley.net>, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: [PATCH] Documentation / CPU hotplug: Fix the typo in example
 code
Message-Id: <20140115153328.49a61c6bcd5897fad89af35c@linux-foundation.org>
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On Wed, 15 Jan 2014 14:10:26 +0900 Sangjung Woo <sangjung.woo@samsung.com> wrote:

> As the notifier_block name (i.e. foobar_cpu_notifer) is different from
> the parameter (i.e.foobar_cpu_notifier) of register function, that is
> definitely error and it also makes readers confused.
> 

btw, that document doesn't mention hotcpu_notifier(), which is actually
the preferred means of registration.  Because it causes all the hotplug
code to be elided when CONFIG_HOTPLUG_CPU=n, without using ifdefs.