Re: [PATCH 3/3] mm: slub: Default slub_max_order to 0

James Bottomley
2011-05-12T19:21:17Z

On Thu, 2011-05-12 at 13:46 -0500, Christoph Lameter wrote:
> On Thu, 12 May 2011, James Bottomley wrote:
>
> > On Thu, 2011-05-12 at 18:55 +0300, Pekka Enberg wrote:
> > > On Thu, 2011-05-12 at 10:43 -0500, James Bottomley wrote:
> > > > However, since you admit even you see problems, let's concentrate on
> > > > fixing them rather than recriminations?
> > >
> > > Yes, please. So does dropping max_order to 1 help?
> > > PAGE_ALLOC_COSTLY_ORDER is set to 3 in 2.6.39-rc7.
> >
> > Just booting with max_slab_order=1 (and none of the other patches
> > applied) I can still get the machine to go into kswapd at 99%, so it
> > doesn't seem to make much of a difference.
>
> slub_max_order=1 right? Not max_slab_order.

Yes.

James