From: Ilias Apalodimas <ilias.apalodimas@linaro.org>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Jesper Dangaard Brouer <hawk@kernel.org>,
netdev@vger.kernel.org, linux-mm@kvack.org,
Shakeel Butt <shakeelb@google.com>
Subject: Re: [PATCH v2 16/24] page_pool: Use netmem in page_pool_drain_frag()
Date: Tue, 10 Jan 2023 13:00:37 +0200 [thread overview]
Message-ID: <Y71FVTsdUVrqWV0z@hera> (raw)
In-Reply-To: <20230105214631.3939268-17-willy@infradead.org>
On Thu, Jan 05, 2023 at 09:46:23PM +0000, Matthew Wilcox (Oracle) wrote:
> We're not quite ready to change the API of page_pool_drain_frag(),
> but we can remove the use of several wrappers by using the netmem
> throughout.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> ---
> net/core/page_pool.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/net/core/page_pool.c b/net/core/page_pool.c
> index c495e3a16e83..cd469a9970e7 100644
> --- a/net/core/page_pool.c
> +++ b/net/core/page_pool.c
> @@ -672,17 +672,17 @@ static struct page *page_pool_drain_frag(struct page_pool *pool,
> long drain_count = BIAS_MAX - pool->frag_users;
>
> /* Some user is still using the page frag */
> - if (likely(page_pool_defrag_page(page, drain_count)))
> + if (likely(page_pool_defrag_netmem(nmem, drain_count)))
> return NULL;
>
> - if (page_ref_count(page) == 1 && !page_is_pfmemalloc(page)) {
> + if (netmem_ref_count(nmem) == 1 && !netmem_is_pfmemalloc(nmem)) {
> if (pool->p.flags & PP_FLAG_DMA_SYNC_DEV)
> page_pool_dma_sync_for_device(pool, nmem, -1);
>
> return page;
> }
>
> - page_pool_return_page(pool, page);
> + page_pool_return_netmem(pool, nmem);
> return NULL;
> }
>
> --
> 2.35.1
>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
next prev parent reply other threads:[~2023-01-10 11:02 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-05 21:46 [PATCH v2 00/24] Split netmem from struct page Matthew Wilcox (Oracle)
2023-01-05 21:46 ` [PATCH v2 01/24] netmem: Create new type Matthew Wilcox (Oracle)
2023-01-06 13:07 ` Jesper Dangaard Brouer
2023-01-09 17:20 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 02/24] netmem: Add utility functions Matthew Wilcox (Oracle)
2023-01-06 2:24 ` kernel test robot
2023-01-06 20:35 ` Matthew Wilcox
2023-01-06 13:35 ` Jesper Dangaard Brouer
2023-01-05 21:46 ` [PATCH v2 03/24] page_pool: Add netmem_set_dma_addr() and netmem_get_dma_addr() Matthew Wilcox (Oracle)
2023-01-06 13:43 ` Jesper Dangaard Brouer
2023-01-09 17:30 ` Ilias Apalodimas
2023-01-10 9:17 ` Ilias Apalodimas
2023-01-10 18:16 ` Matthew Wilcox
2023-01-10 18:15 ` Matthew Wilcox
2023-01-05 21:46 ` [PATCH v2 04/24] page_pool: Convert page_pool_release_page() to page_pool_release_netmem() Matthew Wilcox (Oracle)
2023-01-06 13:46 ` Jesper Dangaard Brouer
2023-01-10 9:28 ` Ilias Apalodimas
2023-01-10 18:47 ` Matthew Wilcox
2023-01-11 13:56 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 05/24] page_pool: Start using netmem in allocation path Matthew Wilcox (Oracle)
2023-01-06 2:34 ` kernel test robot
2023-01-06 13:59 ` Jesper Dangaard Brouer
2023-01-06 15:36 ` Matthew Wilcox
2023-01-10 9:30 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 06/24] page_pool: Convert page_pool_return_page() to page_pool_return_netmem() Matthew Wilcox (Oracle)
2023-01-06 14:10 ` Jesper Dangaard Brouer
2023-01-10 9:39 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 07/24] page_pool: Convert __page_pool_put_page() to __page_pool_put_netmem() Matthew Wilcox (Oracle)
2023-01-06 14:14 ` Jesper Dangaard Brouer
2023-01-10 9:47 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 08/24] page_pool: Convert pp_alloc_cache to contain netmem Matthew Wilcox (Oracle)
2023-01-06 14:18 ` Jesper Dangaard Brouer
2023-01-10 9:58 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 09/24] page_pool: Convert page_pool_defrag_page() to page_pool_defrag_netmem() Matthew Wilcox (Oracle)
2023-01-06 14:29 ` Jesper Dangaard Brouer
2023-01-10 10:27 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 10/24] page_pool: Convert page_pool_put_defragged_page() to netmem Matthew Wilcox (Oracle)
2023-01-06 14:32 ` Jesper Dangaard Brouer
2023-01-10 10:36 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 11/24] page_pool: Convert page_pool_empty_ring() to use netmem Matthew Wilcox (Oracle)
2023-01-06 15:22 ` Jesper Dangaard Brouer
2023-01-10 10:38 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 12/24] page_pool: Convert page_pool_alloc_pages() to page_pool_alloc_netmem() Matthew Wilcox (Oracle)
2023-01-06 15:27 ` Jesper Dangaard Brouer
2023-01-10 10:45 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 13/24] page_pool: Convert page_pool_dma_sync_for_device() to take a netmem Matthew Wilcox (Oracle)
2023-01-06 15:28 ` Jesper Dangaard Brouer
2023-01-10 10:47 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 14/24] page_pool: Convert page_pool_recycle_in_cache() to netmem Matthew Wilcox (Oracle)
2023-01-06 15:29 ` Jesper Dangaard Brouer
2023-01-10 10:48 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 15/24] page_pool: Remove page_pool_defrag_page() Matthew Wilcox (Oracle)
2023-01-06 15:29 ` Jesper Dangaard Brouer
2023-01-10 9:47 ` Ilias Apalodimas
2023-01-10 22:00 ` Matthew Wilcox
2023-01-11 13:58 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 16/24] page_pool: Use netmem in page_pool_drain_frag() Matthew Wilcox (Oracle)
2023-01-06 15:30 ` Jesper Dangaard Brouer
2023-01-10 11:00 ` Ilias Apalodimas [this message]
2023-01-05 21:46 ` [PATCH v2 17/24] page_pool: Convert page_pool_return_skb_page() to use netmem Matthew Wilcox (Oracle)
2023-01-06 15:49 ` Jesper Dangaard Brouer
2023-01-06 16:53 ` Matthew Wilcox
2023-01-06 20:16 ` Jesper Dangaard Brouer
2023-01-09 18:36 ` Matthew Wilcox
2023-01-10 10:04 ` Jesper Dangaard Brouer
2023-01-05 21:46 ` [PATCH v2 18/24] page_pool: Convert frag_page to frag_nmem Matthew Wilcox (Oracle)
2023-01-06 15:51 ` Jesper Dangaard Brouer
2023-01-10 11:36 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 19/24] xdp: Convert to netmem Matthew Wilcox (Oracle)
2023-01-06 15:53 ` Jesper Dangaard Brouer
2023-01-10 11:50 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 20/24] mm: Remove page pool members from struct page Matthew Wilcox (Oracle)
2023-01-06 15:56 ` Jesper Dangaard Brouer
2023-01-10 11:51 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 21/24] page_pool: Pass a netmem to init_callback() Matthew Wilcox (Oracle)
2023-01-06 16:02 ` Jesper Dangaard Brouer
2023-01-10 11:32 ` Ilias Apalodimas
2023-01-05 21:46 ` [PATCH v2 22/24] net: Add support for netmem in skb_frag Matthew Wilcox (Oracle)
2023-01-05 21:46 ` [PATCH v2 23/24] mvneta: Convert to netmem Matthew Wilcox (Oracle)
2023-01-05 21:46 ` [PATCH v2 24/24] mlx5: " Matthew Wilcox (Oracle)
2023-01-06 16:31 ` Jesper Dangaard Brouer
2023-01-09 11:46 ` Tariq Toukan
2023-01-09 12:27 ` Tariq Toukan
2023-01-06 1:20 ` [PATCH v2 00/24] Split netmem from struct page Jesse Brandeburg
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