Re: [PATCH 0/3] Reduce impact to overall system of SLUB using high-orderallocations

[Pekka Enberg]

On 5/12/11 1:34 AM, James Bottomley wrote:
> On Wed, 2011-05-11 at 15:28 -0700, David Rientjes wrote:
> > On Wed, 11 May 2011, James Bottomley wrote:
> >
> > > OK, I confirm that I can't seem to break this one.  No hangs visible,
> > > even when loading up the system with firefox, evolution, the usual
> > > massive untar, X and even a distribution upgrade.
> > >
> > > You can add my tested-by
> > Your system still hangs with patches 1 and 2 only?
> Yes, but only once in all the testing.  With patches 1 and 2 the hang is
> much harder to reproduce, but it still seems to be present if I hit it
> hard enough.

Patches 1-2 look reasonable to me. I'm not completely convinced of patch 
3, though. Why are we seeing these problems now? This has been in 
mainline for a long time already. Shouldn't we fix kswapd?

                        Pekka
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