Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment

Nick Piggin
2008-03-07T05:24:00Z

On Thu, Mar 06, 2008 at 06:33:35PM -0800, Christoph Lameter wrote:
> On Fri, 7 Mar 2008, Nick Piggin wrote:
>
> > On Thu, Mar 06, 2008 at 06:27:12PM -0800, Christoph Lameter wrote:
> > > On Fri, 7 Mar 2008, Nick Piggin wrote:
> > >
> > > > > Is that really a noteworthy effect?
> > > >
> > > > Yes.
> > >
> > > Numbers?
> >
> > Uhh... big number > small number
>
> Can you quantify the effect?

It obviously won't be a great deal until if/when it starts getting
used more. The space savings on UP are just one reason why my approach
is better than using the static alignment annotations.