Re: [PATCH] SLUB: clear c->freelist in __slab_alloc()/load_freelist:/SlabDebugpath

[Benny Halevy]

On May. 14, 2008, 10:44 -0700, Christoph Lameter <clameter@xxxxxxx> wrote:
> On Tue, 13 May 2008, Benny Halevy wrote:
> 
>>> But for debug pages, we never load c->page->freelist to c->freelist so
>>> it should always be NULL.
>> Hmm, I see.  Then it might have got corrupted...
>> I'll keep looking for the root cause.
> 
> Correct.

Yeah, I've moved to SLAB and the mem corruption now pops up at a different
place.

> 
>>> How did you make SLUB hit the debug path since you have
>>> CONFIG_SLUB_DEBUG_ON disabled?
> 
> I guess he passed slub_debug on the kernel command line.
> 

I did not.

I probably have misunderstood how the slub debugging infrastructure works
and did not execute the debug path at all.

Thanks for your help!

Benny
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