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From: Yunsheng Lin <linyunsheng@huawei.com>
To: Alexander Lobakin <aleksander.lobakin@intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: Maciej Fijalkowski <maciej.fijalkowski@intel.com>,
	Larysa Zaremba <larysa.zaremba@intel.com>,
	Alexander Duyck <alexanderduyck@fb.com>,
	Jesper Dangaard Brouer <hawk@kernel.org>,
	Ilias Apalodimas <ilias.apalodimas@linaro.org>,
	Simon Horman <simon.horman@corigine.com>,
	<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net-next 5/9] page_pool: don't use driver-set flags field directly
Date: Fri, 28 Jul 2023 20:36:50 +0800	[thread overview]
Message-ID: <a0be882e-558a-9b1d-7514-0aad0080e08c@huawei.com> (raw)
In-Reply-To: <20230727144336.1646454-6-aleksander.lobakin@intel.com>

On 2023/7/27 22:43, Alexander Lobakin wrote:

>  
>  struct page_pool {
>  	struct page_pool_params p;
> -	long pad;
> +
> +	bool dma_map:1;				/* Perform DMA mapping */
> +	enum {
> +		PP_DMA_SYNC_ACT_DISABLED = 0,	/* Driver didn't ask to sync */
> +		PP_DMA_SYNC_ACT_DO,		/* Perform DMA sync ops */
> +	} dma_sync_act:1;
> +	bool page_frag:1;			/* Allow page fragments */
>  

Isn't it more common or better to just remove the flags field in
'struct page_pool_params' and pass the flags by parameter like
below, so that patch 4 is not needed?

struct page_pool *page_pool_create(const struct page_pool_params *params,
				   unsigned int	flags);

  reply	other threads:[~2023-07-28 12:37 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-27 14:43 [PATCH net-next 0/9] page_pool: a couple of assorted optimizations Alexander Lobakin
2023-07-27 14:43 ` [PATCH net-next 1/9] page_pool: split types and declarations from page_pool.h Alexander Lobakin
2023-07-28 11:58   ` Yunsheng Lin
2023-07-28 13:55     ` Alexander Lobakin
2023-07-27 14:43 ` [PATCH net-next 2/9] net: skbuff: don't include <net/page_pool/types.h> to <linux/skbuff.h> Alexander Lobakin
2023-07-28 12:02   ` Yunsheng Lin
2023-07-28 13:58     ` Alexander Lobakin
2023-07-29 11:40       ` Yunsheng Lin
2023-08-01 13:25         ` Alexander Lobakin
2023-07-27 14:43 ` [PATCH net-next 3/9] page_pool: place frag_* fields in one cacheline Alexander Lobakin
2023-07-27 14:43 ` [PATCH net-next 4/9] page_pool: shrink &page_pool_params a tiny bit Alexander Lobakin
2023-07-27 14:43 ` [PATCH net-next 5/9] page_pool: don't use driver-set flags field directly Alexander Lobakin
2023-07-28 12:36   ` Yunsheng Lin [this message]
2023-07-28 14:03     ` Alexander Lobakin
2023-07-28 15:50       ` Jakub Kicinski
2023-07-29 11:40       ` Yunsheng Lin
2023-08-01 13:36         ` Alexander Lobakin
2023-08-02 11:36           ` Yunsheng Lin
2023-08-02 21:29           ` Jakub Kicinski
2023-08-03 14:56             ` Alexander Lobakin
2023-08-03 16:00               ` Jakub Kicinski
2023-08-03 16:07                 ` Alexander Lobakin
2023-08-03 16:40                   ` Jakub Kicinski
2023-08-03 16:42                     ` Alexander Lobakin
2023-07-27 14:43 ` [PATCH net-next 6/9] page_pool: avoid calling no-op externals when possible Alexander Lobakin
2023-07-28 12:39   ` Yunsheng Lin
2023-07-28 14:14     ` Alexander Lobakin
2023-07-29 12:46       ` Yunsheng Lin
2023-08-01 13:42         ` Alexander Lobakin
2023-08-02 11:37           ` Yunsheng Lin
2023-08-02 15:49             ` Alexander Lobakin
2023-07-27 14:43 ` [PATCH net-next 7/9] net: skbuff: avoid accessing page_pool if !napi_safe when returning page Alexander Lobakin
2023-07-27 14:43 ` [PATCH net-next 8/9] page_pool: add a lockdep check for recycling in hardirq Alexander Lobakin
2023-07-27 14:43 ` [PATCH net-next 9/9] net: skbuff: always try to recycle PP pages directly when in softirq Alexander Lobakin
2023-07-28  9:32   ` Jesper Dangaard Brouer
2023-07-28 13:50     ` Alexander Lobakin

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