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From: Andrew Morton <akpm@linux-foundation.org>
To: Minfei Huang <mnghuan@gmail.com>
Cc: labbott@fedoraproject.org, rjw@rjwysocki.net,
	mgorman@techsingularity.net, mhocko@suse.com, vbabka@suse.cz,
	rientjes@google.com, kirill.shutemov@linux.intel.com,
	iamjoonsoo.kim@lge.com, izumi.taku@jp.fujitsu.com,
	alexander.h.duyck@redhat.com, hannes@cmpxchg.org,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Use existing helper to convert "on/off" to boolean
Date: Fri, 29 Apr 2016 14:21:10 -0700	[thread overview]
Message-ID: <20160429142110.b4039a422866754bc914b8b2@linux-foundation.org> (raw)
In-Reply-To: <1461908824-16129-1-git-send-email-mnghuan@gmail.com>

On Fri, 29 Apr 2016 13:47:04 +0800 Minfei Huang <mnghuan@gmail.com> wrote:

> It's more convenient to use existing function helper to convert string
> "on/off" to boolean.
> 
> ...
>
> --- a/lib/kstrtox.c
> +++ b/lib/kstrtox.c
> @@ -326,7 +326,7 @@ EXPORT_SYMBOL(kstrtos8);
>   * @s: input string
>   * @res: result
>   *
> - * This routine returns 0 iff the first character is one of 'Yy1Nn0', or
> + * This routine returns 0 if the first character is one of 'Yy1Nn0', or

That isn't actually a typo.  "iff" is shorthand for "if and only if". 
ie: kstrtobool() will not return 0 in any other case.

Use of "iff" is a bit pretentious but I guess it does convey some
conceivably useful info.

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  parent reply	other threads:[~2016-04-29 21:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-29  5:47 Minfei Huang
2016-04-29  8:04 ` Michal Hocko
2016-04-29  9:07   ` Minfei Huang
2016-04-29  9:21     ` Michal Hocko
2016-04-29 21:21 ` Andrew Morton [this message]
2016-04-30  4:47   ` Minfei Huang

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