[PATCH] Revert "slub: Remove node check in slab_free"

From: Ingo Molnar
Date: Wed May 25 2011 - 04:58:34 EST



* Ingo Molnar <mingo@xxxxxxx> wrote:

>
> * James Morris <jmorris@xxxxxxxxx> wrote:
>
> > I started experiencing a boot hang in 2.6.39+, and bisected it to this
> > change:
>
> i too was seeing various instabilities and SLUB corruption in -tip testing.
> Every 5th randconfig kernel crashes.
>
> I started testing the revert.

Stability of -tip has increased dramatically (36 test iterations and
no crash), so yes this revert resolves the crashes.

I've attached the changelogified revert patch below. James, since i
was seeing these sporadically you've saved me a couple of hours of
rather painful bisection work! :-)

Thanks,

Ingo

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