On Mon, Feb 05, 2007 at 04:01:23PM +0200, Pekka Enberg wrote:
> Hi Joerg,
>
> On 2/5/07, Joerg Roedel <[email protected]> wrote:
> >Hmm, this seems to be the same issue as in [1] and [2]. A page that is
> >assumed to belong to the slab but is not longer marked as a slab page.
> >Could this be a bug in the memory management?
>
> The BUG_ON triggers whenever you feed an invalid pointer to kfree() or
> kmem_cache_free() so I am guessing the caller is simply broken. Note
> that kernels prior to 2.6.18 would quietly corrupt the slab unless
> CONFIG_SLAB_DEBUG was enabled which might explain why this hasn't been
> noticed before.
Ok. I was not aware of that. Thanks for clarification.
Joerg
--
Joerg Roedel
Operating System Research Center
AMD Saxony LLC & Co. KG
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