Re: [patch 0/4] Cpu alloc V5: Replace percpu allocator in modules.c

[KOSAKI Motohiro]

Hi Cristoph,

> Just do the bare mininum to establish a per cpu allocator. Later patchsets
> will gradually build out the functionality.
>
> The most critical issue that came up on the last round is how to configure
> the size of the percpu area. Here we simply use a kernel parameter and use
> the static size of the existing percpu allocator for modules as a default.
>
> The effect of this patchset is to make the size of percpu data for modules
> configurable. Its no longer fixed at 8000 bytes.

I don't know so much this area.
Could you please what are the problem that you think　about?

performance?
fixed-size cause per-cpu starvation by huge user?
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