Re: Ugly rmap NULL ptr deref oopsie on hibernate (was Linux 2.6.34-rc3)

From: Pekka Enberg
Date: Wed Apr 07 2010 - 06:09:25 EST

Hi Linus,

On Wed, Apr 7, 2010 at 3:10 AM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> Sounds at least possible. Way more likely than any of the "trivially
> obvious" code being buggy, or the SLUB layer suddenly having a serious bug
> that only the new user could trigger.

I haven't followed the discussion at all but if someone wants to
investigate that angle more, the most likely suspect are the recent
per-cpu changes. That said, I'd expect the problem to be more
widespread if SLUB is to blame here.

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