Re: [PATCH v2 1/4] virtio_balloon: separate vm events into a function

[David Hildenbrand]

On 22.04.24 09:42, zhenwei pi wrote:
> All the VM events related statistics have dependence on
> 'CONFIG_VM_EVENT_COUNTERS', once any stack variable is required by any
> VM events in future, we would have codes like:
>   #ifdef CONFIG_VM_EVENT_COUNTERS
>        unsigned long foo;
>   #endif
>        ...
>   #ifdef CONFIG_VM_EVENT_COUNTERS
>        foo = events[XXX] + events[YYY];
>        update_stat(vb, idx++, VIRTIO_BALLOON_S_XXX, foo);
>   #endif
>
> Separate vm events into a single function, also remove

Why not simply use __maybe_unused for that variable?

--
Cheers,

David / dhildenb