Re: [PATCH 2/4] mm/doc: Fix page_maybe_dma_pinned kerneldoc

[John Hubbard <jhubbard@nvidia.com>]

On 3/22/21 12:50 PM, Matthew Wilcox (Oracle) wrote:
> make htmldocs reports:
> 
> ./include/linux/mm.h:1341: warning: Excess function parameter 'Return' description in 'page_maybe_dma_pinned'
> 
> Fix a few other formatting nits while I'm editing this description.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> ---
>   include/linux/mm.h | 10 +++++-----
>   1 file changed, 5 insertions(+), 5 deletions(-)

Looks nice, thanks for fixing this up.

There was a slight delay, during which I re-learned that Sphinx 3 still causes
a "nearly indefinite" delay in "make htmldocs". But eventually I got this to
build and verified that the output made it through intact. I guess I'm grateful
that Sphinx 3 works at all, though.

Reviewed-by: John Hubbard <jhubbard@nvidia.com>

thanks,
-- 
John Hubbard
NVIDIA

> 
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 9c149e945bf9..96e5ceffce09 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -1273,10 +1273,11 @@ void unpin_user_page_range_dirty_lock(struct page *page, unsigned long npages,
>   void unpin_user_pages(struct page **pages, unsigned long npages);
>   
>   /**
> - * page_maybe_dma_pinned() - report if a page is pinned for DMA.
> + * page_maybe_dma_pinned - Report if a page is pinned for DMA.
> + * @page: The page.
>    *
>    * This function checks if a page has been pinned via a call to
> - * pin_user_pages*().
> + * a function in the pin_user_pages() family.
>    *
>    * For non-huge pages, the return value is partially fuzzy: false is not fuzzy,
>    * because it means "definitely not pinned for DMA", but true means "probably
> @@ -1294,9 +1295,8 @@ void unpin_user_pages(struct page **pages, unsigned long npages);
>    *
>    * For more information, please see Documentation/core-api/pin_user_pages.rst.
>    *
> - * @page:	pointer to page to be queried.
> - * @Return:	True, if it is likely that the page has been "dma-pinned".
> - *		False, if the page is definitely not dma-pinned.
> + * Return: True, if it is likely that the page has been "dma-pinned".
> + * False, if the page is definitely not dma-pinned.
>    */
>   static inline bool page_maybe_dma_pinned(struct page *page)
>   {
>