Sebastian Andrzej Siewior <bige...@linutronix.de> writes:
> PERCPU_MODULE_RESERVE defines the maximum size that can by used for the
> per-CPU data size used by modules. This is 8KiB.
>
> Commit 035fcdc4d240c ("openvswitch: Merge three per-CPU structures into
> one") restructured the per-CPU memory allocation for the module and
> moved the separate alloc_percpu() invocations at module init time to a
> static per-CPU variable which is allocated by the module loader.
>
> The size of the per-CPU data section for openvswitch is 6488 bytes which
> is ~80% of the available per-CPU memory. Together with a few other
> modules it is easy to exhaust the available 8KiB of memory.
>
> Allocate ovs_pcpu_storage dynamically at module init time.
>
> Reported-by: Gal Pressman <g...@nvidia.com>
> Closes:
> https://lore.kernel.org/all/c401e017-f8db-4f57-a1cd-89beb979a...@nvidia.com
> Fixes: 035fcdc4d240c ("openvswitch: Merge three per-CPU structures into one")
> Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de>
> ---
>
> Gal, would you please be so kind and check if this works for you?
>
I was hoping Gal would have gotten back by now.
Reviewed-by: Aaron Conole <acon...@redhat.com>
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