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SubjectRe: Slab corruption in 2.6.16-rc5-mm2
>> DEBUG_PAGEALLOC in particular is *fantastic* at making bugs hide.
>> I've lost many an hour trying to pin bugs down due to that.
> Is this backwards? We're saying DEBUG_PAGEALLOC is bad?
> OK, what I'm going to try to do, given the recent comments re
> CONFIG_DEBUG_SLAB and also PAGEALLOC is to arrange with Andy to run
> a debug kernel as well as a normal kernel for every test, and then
> we can publish the results on For now it'll be
> a seperate matrix, until I work out how to fold the 3d cube nicely
> into 2d - I know I have to do that anyway, so no big deal.
> Do we NOT want to have DEBUG_SLAB and DEBUG_PAGEALLOC both enabled?
> Running multiple permutations is going to get really painful on the
> systems involved. Any other requests for what gets enabled (I really
> want to just stick to one 'debug' setup if possible).
> I have no idea why I didn't do this a year ago <slaps self>.

Oh, and I ported CONFIG_DEBUG_PAGEALLOC to x86_64 last week. Will send
out the patch later today.

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