Messages in this thread | | | Date | Tue, 6 Feb 2007 10:41:08 +0100 | From | "Joerg Roedel" <> | Subject | Re: your mail |
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On Mon, Feb 05, 2007 at 04:01:23PM +0200, Pekka Enberg wrote: > Hi Joerg, > > On 2/5/07, Joerg Roedel <joerg.roedel@amd.com> 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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