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

James Bottomley
2011-05-12T18:37:54Z

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.

Do you want me to try with the other two patches and max_slab_order=1?

James