Re: [PATCH net-next v2 07/15] mm: page_frag: add '_va' suffix to page_frag API

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On 2024/4/17 0:12, Alexander H Duyck wrote:
> On Mon, 2024-04-15 at 21:19 +0800, Yunsheng Lin wrote:
>> Currently most of the API for page_frag API is returning
>> 'virtual address' as output or expecting 'virtual address'
>> as input, in order to differentiate the API handling between
>> 'virtual address' and 'struct page', add '_va' suffix to the
>> corresponding API mirroring the page_pool_alloc_va() API of
>> the page_pool.
>>
>> Signed-off-by: Yunsheng Lin <linyunsheng@xxxxxxxxxx>
> 
> This patch is a total waste of time. By that logic we should be
> renaming __get_free_pages since it essentially does the same thing.
> 
> This just seems like more code changes for the sake of adding code
> changes rather than fixing anything. In my opinion it should be dropped
> from the set.

The rename is to support different use case as mentioned below in patch
14:
"Depending on different use cases, callers expecting to deal with va, page or
both va and page for them may call page_frag_alloc_va*, page_frag_alloc_pg*,
or page_frag_alloc* API accordingly."

Naming is hard anyway, I am open to better API naming for the above use cases.

> 
> .
> 




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