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Subject: Re: [PATCH v12 1/3] lib: Add strongly typed 64bit int_sqrt
From: Joe Perches <joe@perches.com>
To: Crt Mori <cmo@melexis.com>
Cc: Jonathan Cameron <jic23@kernel.org>, Ingo Molnar <mingo@kernel.org>,
 Andrew Morton <akpm@linux-foundation.org>, Kees Cook
 <keescook@chromium.org>, Rusty Russell <rusty@rustcorp.com.au>, Ian Abbott
 <abbotti@mev.co.uk>, Larry Finger <Larry.Finger@lwfinger.net>, Niklas
 Soderlund <niklas.soderlund+renesas@ragnatech.se>, Thomas Gleixner
 <tglx@linutronix.de>,  Krzysztof Kozlowski <krzk@kernel.org>, Masahiro
 Yamada <yamada.masahiro@socionext.com>,  linux-kernel@vger.kernel.org,
 Linux Iio <linux-iio@vger.kernel.org>, Peter Zijlstra
 <peterz@infradead.org>, David Laight <David.Laight@aculab.com>
Date: Mon, 15 Jan 2018 02:36:15 -0800
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On Wed, 2018-01-10 at 09:37 +0100, Crt Mori wrote:
> Shouldn't I rather make it
> 
>          if (x <= ULONG_MAX)
>                  return int_sqrt((unsigned long) x);

With this change: (I believe done in v13) and
as requested by Crt Mori in a private email:

Acked-by: Joe Perches <joe@perches.com>