linux-kernel - Re: [PATCH] mm: percpu: micro-optimize round-to-even

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Message-ID: <20140619143458.GF26904@htj.dyndns.org>
Date:	Thu, 19 Jun 2014 10:34:58 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Christoph Lameter <cl@...two.org>
Cc:	Rasmus Villemoes <linux@...musvillemoes.dk>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: percpu: micro-optimize round-to-even

On Thu, Jun 19, 2014 at 09:29:52AM -0500, Christoph Lameter wrote:
> > > -	if (unlikely(size & 1))
> > > -		size++;
> > > +	size += size & 1;
> >
> > I'm not gonna apply this.  This isn't that hot a path.  It's not
> > worthwhile to micro optimize code like this.
> 
> Dont we have an ALIGN() macro for this?

Indeed, a patch?

-- 
tejun
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