Messages in this thread | | | Date | Wed, 5 Mar 2008 01:06:37 +0100 | From | Nick Piggin <> | Subject | Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment |
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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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