Re: mmotm: mm-slub-optimize-alloc-free-fastpath-by-removing-preemption-on-off.patch is causing preemptible splats

[Christoph Lameter]

> I am not sure how to fix this but it sounds like this_cpu_ptr should
> offer the same preempt expectations as other this_cpu_* functions.

One returns a pointer that may not be useful if the context is switched
and the other completes a operationo on an opject.

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