Re: Mainline kernel OLTP performance update

[Pekka Enberg]

Hi Christoph,

On Thu, 12 Feb 2009, Zhang, Yanmin wrote:
>> ïThe default order of ïkmalloc-8192 on 2*4 stoakley is an issue of calculate_order.
>>
>>
>> slab_size    order      name
>> -------------------------------------------------
>> 4096 Â Â Â Â Â Â3 Â Â Â Â Â Â Â sgpool-128
>> 8192 Â Â Â Â Â Â2 Â Â Â Â Â Â Â kmalloc-8192
>> 16384 Â Â Â Â Â 3 Â Â Â Â Â Â Â kmalloc-16384
>>
>> ïkmalloc-8192's default order is smaller than ïsgpool-128's.

On Thu, Feb 12, 2009 at 5:25 PM, Christoph Lameter
<cl@xxxxxxxxxxxxxxxxxxxx> wrote:
> You reverted the page allocator passthrough patch before this right?
> Otherwise kmalloc-8192 should not exist and allocation calls for 8192
> bytes would be converted inline to request of an order 1 page from the
> page allocator.

Yup, I assume that's the case here.
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