netdev - Re: [PATCH] xfrm: use "unsigned int" in __xfrm6_pref

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Date:   Mon, 27 Mar 2017 12:36:07 +0200
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     Alexey Dobriyan <adobriyan@...il.com>
CC:     <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
        <netdev@...r.kernel.org>
Subject: Re: [PATCH] xfrm: use "unsigned int" in __xfrm6_pref_hash()

On Fri, Mar 24, 2017 at 01:53:09AM +0300, Alexey Dobriyan wrote:
> x86_64 is zero-extending arch so "unsigned int" is preferred over "int"
> for address calculations.
> 
> Space savings:
> 
> 	add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-58 (-58)
> 	function                                     old     new   delta
> 	xfrm_hash_resize                            2752    2743      -9
> 	policy_hash_bysel                            985     973     -12
> 	policy_hash_direct                          1036     999     -37
> 
> Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>

Applied to ipsec-next, thanks!