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From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: Jesper Dangaard Brouer <hawk@kernel.org>,
	Ilias Apalodimas <ilias.apalodimas@linaro.org>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
	netdev@vger.kernel.org, linux-mm@kvack.org,
	Shakeel Butt <shakeelb@google.com>,
	Jesper Dangaard Brouer <brouer@redhat.com>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>
Subject: [PATCH v3 21/26] mm: Remove page pool members from struct page
Date: Wed, 11 Jan 2023 04:22:09 +0000	[thread overview]
Message-ID: <20230111042214.907030-22-willy@infradead.org> (raw)
In-Reply-To: <20230111042214.907030-1-willy@infradead.org>

These are now split out into their own netmem struct.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
---
 include/linux/mm_types.h | 22 ----------------------
 include/net/page_pool.h  |  4 ----
 2 files changed, 26 deletions(-)

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 65b912ba97ef..de545f6cca3c 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -116,28 +116,6 @@ struct page {
 			 */
 			unsigned long private;
 		};
-		struct {	/* page_pool used by netstack */
-			/**
-			 * @pp_magic: magic value to avoid recycling non
-			 * page_pool allocated pages.
-			 */
-			unsigned long pp_magic;
-			struct page_pool *pp;
-			unsigned long _pp_mapping_pad;
-			unsigned long dma_addr;
-			union {
-				/**
-				 * dma_addr_upper: might require a 64-bit
-				 * value on 32-bit architectures.
-				 */
-				unsigned long dma_addr_upper;
-				/**
-				 * For frag page support, not supported in
-				 * 32-bit architectures with 64-bit DMA.
-				 */
-				atomic_long_t pp_frag_count;
-			};
-		};
 		struct {	/* Tail pages of compound page */
 			unsigned long compound_head;	/* Bit zero is set */
 
diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index 5e5030f5bbb4..2f0cd018b8f2 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -86,11 +86,7 @@ struct netmem {
 	static_assert(offsetof(struct page, pg) == offsetof(struct netmem, nm))
 NETMEM_MATCH(flags, flags);
 NETMEM_MATCH(lru, pp_magic);
-NETMEM_MATCH(pp, pp);
 NETMEM_MATCH(mapping, _pp_mapping_pad);
-NETMEM_MATCH(dma_addr, dma_addr);
-NETMEM_MATCH(dma_addr_upper, dma_addr_upper);
-NETMEM_MATCH(pp_frag_count, pp_frag_count);
 NETMEM_MATCH(_mapcount, _mapcount);
 NETMEM_MATCH(_refcount, _refcount);
 #undef NETMEM_MATCH
-- 
2.35.1



  parent reply	other threads:[~2023-01-11  4:22 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-11  4:21 [PATCH v3 00/26] Split netmem " Matthew Wilcox (Oracle)
2023-01-11  4:21 ` [PATCH v3 01/26] netmem: Create new type Matthew Wilcox (Oracle)
2023-01-11  4:21 ` [PATCH v3 02/26] netmem: Add utility functions Matthew Wilcox (Oracle)
2023-01-11  4:21 ` [PATCH v3 03/26] page_pool: Add netmem_set_dma_addr() and netmem_get_dma_addr() Matthew Wilcox (Oracle)
2023-01-11  4:21 ` [PATCH v3 04/26] page_pool: Convert page_pool_release_page() to page_pool_release_netmem() Matthew Wilcox (Oracle)
2023-01-11  4:21 ` [PATCH v3 05/26] page_pool: Start using netmem in allocation path Matthew Wilcox (Oracle)
2023-01-12 15:36   ` Shay Agroskin
2023-01-12 20:29     ` Matthew Wilcox
2023-01-11  4:21 ` [PATCH v3 06/26] page_pool: Convert page_pool_return_page() to page_pool_return_netmem() Matthew Wilcox (Oracle)
2023-01-11  4:21 ` [PATCH v3 07/26] page_pool: Convert __page_pool_put_page() to __page_pool_put_netmem() Matthew Wilcox (Oracle)
2023-01-11  4:21 ` [PATCH v3 08/26] page_pool: Convert pp_alloc_cache to contain netmem Matthew Wilcox (Oracle)
2023-01-14 12:28   ` Shay Agroskin
2023-01-14 17:58     ` Matthew Wilcox
2023-01-15 11:03       ` Shay Agroskin
2023-01-11  4:21 ` [PATCH v3 09/26] page_pool: Convert page_pool_defrag_page() to page_pool_defrag_netmem() Matthew Wilcox (Oracle)
2023-01-11  4:21 ` [PATCH v3 10/26] page_pool: Convert page_pool_put_defragged_page() to netmem Matthew Wilcox (Oracle)
2023-01-11  4:21 ` [PATCH v3 11/26] page_pool: Convert page_pool_empty_ring() to use netmem Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 12/26] page_pool: Convert page_pool_alloc_pages() to page_pool_alloc_netmem() Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 13/26] page_pool: Convert page_pool_dma_sync_for_device() to take a netmem Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 14/26] page_pool: Convert page_pool_recycle_in_cache() to netmem Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 15/26] page_pool: Remove __page_pool_put_page() Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 16/26] page_pool: Use netmem in page_pool_drain_frag() Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 17/26] page_pool: Convert page_pool_return_skb_page() to use netmem Matthew Wilcox (Oracle)
2023-01-12  8:46   ` Jesper Dangaard Brouer
2023-01-11  4:22 ` [PATCH v3 18/26] page_pool: Allow page_pool_recycle_direct() to take a netmem or a page Matthew Wilcox (Oracle)
2023-01-11 12:48   ` kernel test robot
2023-01-11 13:43     ` Matthew Wilcox
2023-01-12  8:45       ` Jesper Dangaard Brouer
2023-01-11  4:22 ` [PATCH v3 19/26] page_pool: Convert frag_page to frag_nmem Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 20/26] xdp: Convert to netmem Matthew Wilcox (Oracle)
2023-01-11  4:22 ` Matthew Wilcox (Oracle) [this message]
2023-01-11  4:22 ` [PATCH v3 22/26] page_pool: Pass a netmem to init_callback() Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 23/26] net: Add support for netmem in skb_frag Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 24/26] mvneta: Convert to netmem Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 25/26] mlx5: " Matthew Wilcox (Oracle)
2023-01-11  4:22 ` [PATCH v3 26/26] hns3: " Matthew Wilcox (Oracle)
2023-01-11  8:25 ` [PATCH v3 00/26] Split netmem from struct page Yunsheng Lin
2023-01-11 13:21   ` Matthew Wilcox
2023-01-12  2:12     ` Yunsheng Lin
2023-01-12 10:15     ` Jesper Dangaard Brouer
2023-01-13  2:19       ` Yunsheng Lin

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