Re: Mainline kernel OLTP performance update

Christoph Lameter
2009-01-23T16:57:24Z

On Fri, 23 Jan 2009, Pekka Enberg wrote:

> I wonder why that doesn't happen already, actually. The slub_max_order
> know is capped to PAGE_ALLOC_COSTLY_ORDER ("3") by default and obviously
> order 3 should be as good fit as order 2 so 'fraction' can't be too high
> either. Hmm.

The kmalloc-8192 is new. Look at slabinfo output to see what allocation
orders are chosen.