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

[Andrey Ryabinin]

2014-12-16 17:53 GMT+03:00 Christoph Lameter <cl@xxxxxxxxx>:
> On Tue, 16 Dec 2014, Joonsoo Kim wrote:
>
>> > Like this:
>> >
>> >         return d > 0 && d < page->objects * s->size;
>> >
>>
>> Yes! That's what I'm looking for.
>> Christoph, how about above change?
>
> Ok but now there is a multiplication in the fast path.
>

Another idea - store page's order in the lower bits of page->address.
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