Re: slub/debugobjects: lockup when freeing memory

[Christoph Lameter]

On Thu, 19 Jun 2014, Thomas Gleixner wrote:

> Well, no. Look at the callchain:
>
> __call_rcu
>     debug_object_activate
>        rcuhead_fixup_activate
>           debug_object_init
>               kmem_cache_alloc
>
> So call rcu activates the object, but the object has no reference in
> the debug objects code so the fixup code is called which inits the
> object and allocates a reference ....

So we need to init the object in the page struct before the __call_rcu?

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