Re: [PATCH 3/7] slub: Do not use c->page on free

[Joonsoo Kim]

2014-12-17 0:48 GMT+09:00 Christoph Lameter <cl@xxxxxxxxx>:
> On Tue, 16 Dec 2014, Jesper Dangaard Brouer wrote:
>
>> > Ok but now there is a multiplication in the fast path.
>>
>> Could we pre-calculate the value (page->objects * s->size) and e.g store it
>> in struct kmem_cache, thus saving the imul ?
>
> I think I just used the last available field for the page->address.

Possibly, we can use _count field.

Thanks.
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