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SubjectRe: [PATCH 05/16] slab: remove cachep in struct slab_rcu
On Thu, Aug 22, 2013 at 05:53:00PM +0000, Christoph Lameter wrote:
> On Thu, 22 Aug 2013, Joonsoo Kim wrote:
>
> > We can get cachep using page in struct slab_rcu, so remove it.
>
> Ok but this means that we need to touch struct page. Additional cacheline
> in cache footprint.

In following patch, we overload RCU_HEAD to LRU of struct page and
also overload struct slab to struct page. So there is no
additional cacheline footprint at final stage.

Thanks.


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