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Subject: Re: [PATCH] rtc: pl030: Use devm_kzalloc() instead of kmalloc()
From: Joe Perches <joe@perches.com>
To: Tejun Heo <tj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
        "sangjung.woo" <sangjung.woo@samsung.com>,
        Alessandro Rubini <rubini@gnudd.com>,
        Russell King <rmk+kernel@arm.linux.org.uk>, rtc-linux@googlegroups.com,
        linux-kernel@vger.kernel.org, Greg KH <greg@kroah.com>
Date: Thu, 10 Oct 2013 16:25:11 -0700
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On Thu, 2013-10-10 at 19:18 -0400, Tejun Heo wrote:
> Do we have an
> actual cases where this makes meaningful differences?

There are already a few array allocations
where the array is completely reinitialized.

Does it matter?  Shrug.

It's more API compatible and more symmetric.

Direct conversions of kmalloc blocks don't
involve kmalloc->kzalloc translations, so
it'll be bug-for-bug compatible.