linux-kernel - Re: + fls-change-parameter-to-unsigned-int.patch added to -mm tree

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Message-ID: <20181106151444.GA11221@avx2>
Date:   Tue, 6 Nov 2018 18:14:44 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     willy@...radead.org
Cc:     linux-kernel@...r.kernel.org, tglx@...utronix.de,
        linux-arch@...r.kernel.org
Subject: Re: + fls-change-parameter-to-unsigned-int.patch added to -mm tree

On Mon, Nov 05, 2018 at 03:33:01PM -0800, akpm@...ux-foundation.org wrote:

> -static inline int fls(int x)
> +static inline int fls(unsigned int x)
>  {
> -	return fls64((unsigned int) x);
> +	return fls64(x);
>  }

Should it return "unsigned"? Logically it should.
I remember doing this and there was some code size increase :-(