Re: [PATCH 2/7] slub: Use page-mapping to store address of page frame like done in SLAB

[Pekka Enberg]

On Wed, Dec 10, 2014 at 6:30 PM, Christoph Lameter <cl@xxxxxxxxx> wrote:
> SLAB uses the mapping field of the page struct to store a pointer to the
> begining of the objects in the page frame. Use the same field to store
> the address of the objects in SLUB as well. This allows us to avoid a
> number of invocations of page_address(). Those are mostly only used for
> debugging though so this should have no performance benefit.
>
> Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>

Reviewed-by: Pekka Enberg <penberg@xxxxxxxxxx>
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