Re: [PATCH net-next v6 1/6] page_pool: frag API support for 32-bit arch with 64-bit DMA

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On Mon, Aug 14, 2023 at 08:56:38PM +0800, Yunsheng Lin wrote:

...

> diff --git a/net/core/page_pool.c b/net/core/page_pool.c
> index 77cb75e63aca..d62c11aaea9a 100644
> --- a/net/core/page_pool.c
> +++ b/net/core/page_pool.c

...

> @@ -737,18 +736,16 @@ static void page_pool_free_frag(struct page_pool *pool)
>  	page_pool_return_page(pool, page);
>  }
>  
> -struct page *page_pool_alloc_frag(struct page_pool *pool,
> -				  unsigned int *offset,
> -				  unsigned int size, gfp_t gfp)
> +struct page *__page_pool_alloc_frag(struct page_pool *pool,
> +				    unsigned int *offset,
> +				    unsigned int size, gfp_t gfp)
>  {
>  	unsigned int max_size = PAGE_SIZE << pool->p.order;
>  	struct page *page = pool->frag_page;
>  
> -	if (WARN_ON(!(pool->p.flags & PP_FLAG_PAGE_FRAG) ||
> -		    size > max_size))
> +	if (WARN_ON(!(pool->p.flags & PP_FLAG_PAGE_FRAG))

Hi Yunsheng Lin,

There is a ')' missing on the line above, which results in a build failure.

>  		return NULL;
>  
> -	size = ALIGN(size, dma_get_cache_alignment());
>  	*offset = pool->frag_offset;
>  
>  	if (page && *offset + size > max_size) {
> @@ -781,7 +778,7 @@ struct page *page_pool_alloc_frag(struct page_pool *pool,
>  	alloc_stat_inc(pool, fast);
>  	return page;
>  }
> -EXPORT_SYMBOL(page_pool_alloc_frag);
> +EXPORT_SYMBOL(__page_pool_alloc_frag);
>  
>  static void page_pool_empty_ring(struct page_pool *pool)
>  {

-- 
pw-bot: changes-requested



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