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

[Nick Piggin]

On Mon, Mar 03, 2008 at 01:16:44PM -0800, Christoph Lameter wrote:
> On Mon, 3 Mar 2008, Nick Piggin wrote:
> 
> > > HWCACHE_ALIGN means that you want the object to be aligned at 
> > > cacheline boundaries for optimization. Why does crossing cacheline 
> > > boundaries matter in this case?
> > 
> > No, HWCACHE_ALIGN means that you want the object not to cross cacheline
> > boundaries for at least cache_line_size() bytes. You invented new
> 
> Interesting new definition....

Huh?? It is not a new definition, it is exactly what SLAB does. And
then you go and do something different and claim that you follow
what slab does.

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