> Am 08.06.2020 um 18:11 schrieb Christoph Hellwig <hch@xxxxxxxxxxxxx>:
>
> On Mon, Jun 08, 2020 at 01:53:23PM +0200, David Hildenbrand wrote:
>>> @@ -131,6 +131,7 @@ struct page_ext *lookup_page_ext(const struct page *page)
>>> MAX_ORDER_NR_PAGES);
>>> return get_entry(base, index);
>>> }
>>> +EXPORT_SYMBOL_GPL(lookup_page_ext);
>>>
>>> static int __init alloc_node_page_ext(int nid)
>>> {
>>>
>>
>> I've been told to always smuggle new EXPORTs into the patch that
>> actually needs it (and cc relevant people on that patch instead).
>
> A separate patch for anything remotely controversial really helps it
> to stick out, so I think keeping it separate is a very good practice.
>
That used to be my approach until Michal told me to do it differently. And there is a good point for it: Reviewers actually understand in which context it is used and if it is really required.
Having that said, I don‘t have a strong opinion on this.
