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SubjectRe: [Bug #13319] Page allocation failures with b43 and p54usb
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On Thu, 2009-06-11 at 18:09 +0300, Pekka Enberg wrote:
> On Wed, 10 Jun 2009, Pekka Enberg wrote:
> > > Aha, SLUB thinks the minimum order for 4096 is 1. I guess you have
> > > CONFIG_SLUB_DEBUG enabled? If yes, something like to following should
> > > help. Christoph, are you okay with this patch?
>
> On Thu, 2009-06-11 at 10:41 -0400, Christoph Lameter wrote:
> > He likely has CONFIG_SLUB_DEBUG_ON set which enables debugging and thus
> > needs more than the payload for metadata.
>
> Yup. I suspect a lot of people who are doing _testing_ enable that. If
> you're unhappy with my patch (the get_order one which shouldn't affect
> that many caches anyway), any suggestions how to fix this up? It seems
> that the wireless stack at least does quite a few kmalloc(4096)
> allocations.

I think networking rounds up allocations, but it's not wireless per se.

johannes
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