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

From: Tejun Heo
Date: Thu Jun 19 2014 - 10:35:14 EST


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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