| Date | Wed, 10 Dec 2014 18:45:18 +0200 | Subject | Re: [PATCH 2/7] slub: Use page-mapping to store address of page frame like done in SLAB | From | Pekka Enberg <> |
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On Wed, Dec 10, 2014 at 6:30 PM, Christoph Lameter <cl@linux.com> 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@linux.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
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