[PATCH net-next v9 3/6] page_pool: remove PP_FLAG_PAGE_FRAG
From: Yunsheng Lin <hidden>
Date: 2023-09-20 12:02:36
Also in:
linux-mediatek, linux-rdma, linux-wireless, lkml, netdev
Subsystem:
broadcom bnxt_en 50 gigabit ethernet driver, hisilicon network subsystem 3 driver (hns3), hisilicon network subsystem driver, marvell octeontx2 physical function driver, mediatek mt76 wireless lan driver, mellanox ethernet driver (mlx5e), mellanox mlx5 core vpi driver, networking drivers, networking [general], page pool, the rest · Maintainers:
Michael Chan, Pavan Chebbi, Jian Shen, Jijie Shao, Sunil Goutham, Geetha sowjanya, Subbaraya Sundeep, hariprasad, Bharat Bhushan, Felix Fietkau, Lorenzo Bianconi, Ryder Lee, Saeed Mahameed, Tariq Toukan, Mark Bloch, Leon Romanovsky, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jesper Dangaard Brouer, Ilias Apalodimas, Linus Torvalds
PP_FLAG_PAGE_FRAG is not really needed after pp_frag_count handling is unified and page_pool_alloc_frag() is supported in 32-bit arch with 64-bit DMA, so remove it. Signed-off-by: Yunsheng Lin <redacted> CC: Lorenzo Bianconi <lorenzo@kernel.org> CC: Alexander Duyck <redacted> CC: Liang Chen <redacted> CC: Alexander Lobakin <aleksander.lobakin@intel.com> --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 -- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 3 +-- drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 2 +- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 +- drivers/net/wireless/mediatek/mt76/mac80211.c | 2 +- include/net/page_pool/types.h | 6 ++---- net/core/page_pool.c | 3 +-- net/core/skbuff.c | 2 +- 8 files changed, 8 insertions(+), 14 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 5cc0dbe12132..8c2e455f534d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c@@ -3194,8 +3194,6 @@ static int bnxt_alloc_rx_page_pool(struct bnxt *bp, pp.dma_dir = bp->rx_dir; pp.max_len = PAGE_SIZE; pp.flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV; - if (PAGE_SIZE > BNXT_RX_PAGE_SIZE) - pp.flags |= PP_FLAG_PAGE_FRAG; rxr->page_pool = page_pool_create(&pp); if (IS_ERR(rxr->page_pool)) {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index b4895c7b3efd..b9b66c1018d7 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c@@ -4931,8 +4931,7 @@ static void hns3_put_ring_config(struct hns3_nic_priv *priv) static void hns3_alloc_page_pool(struct hns3_enet_ring *ring) { struct page_pool_params pp_params = { - .flags = PP_FLAG_DMA_MAP | PP_FLAG_PAGE_FRAG | - PP_FLAG_DMA_SYNC_DEV, + .flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV, .order = hns3_page_order(ring), .pool_size = ring->desc_num * hns3_buf_size(ring) / (PAGE_SIZE << hns3_page_order(ring)),
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 997fedac3a98..b8646c306ebe 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c@@ -1403,7 +1403,7 @@ int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id, return 0; } - pp_params.flags = PP_FLAG_PAGE_FRAG | PP_FLAG_DMA_MAP; + pp_params.flags = PP_FLAG_DMA_MAP; pp_params.pool_size = min(OTX2_PAGE_POOL_SZ, numptrs); pp_params.nid = NUMA_NO_NODE; pp_params.dev = pfvf->dev;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index a2ae791538ed..f3cf13a8bb19 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c@@ -834,7 +834,7 @@ static int mlx5e_alloc_rq(struct mlx5e_params *params, struct page_pool_params pp_params = { 0 }; pp_params.order = 0; - pp_params.flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV | PP_FLAG_PAGE_FRAG; + pp_params.flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV; pp_params.pool_size = pool_size; pp_params.nid = node; pp_params.dev = rq->pdev;
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index d158320bc15d..fe7cc67b7ee2 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c@@ -566,7 +566,7 @@ int mt76_create_page_pool(struct mt76_dev *dev, struct mt76_queue *q) { struct page_pool_params pp_params = { .order = 0, - .flags = PP_FLAG_PAGE_FRAG, + .flags = 0, .nid = NUMA_NO_NODE, .dev = dev->dma_dev, };
diff --git a/include/net/page_pool/types.h b/include/net/page_pool/types.h
index 887e7946a597..6fc5134095ed 100644
--- a/include/net/page_pool/types.h
+++ b/include/net/page_pool/types.h@@ -17,10 +17,8 @@ * Please note DMA-sync-for-CPU is still * device driver responsibility */ -#define PP_FLAG_PAGE_FRAG BIT(2) /* for page frag feature */ #define PP_FLAG_ALL (PP_FLAG_DMA_MAP |\ - PP_FLAG_DMA_SYNC_DEV |\ - PP_FLAG_PAGE_FRAG) + PP_FLAG_DMA_SYNC_DEV) /* * Fast allocation side cache array/stack
@@ -45,7 +43,7 @@ struct pp_alloc_cache { /** * struct page_pool_params - page pool parameters - * @flags: PP_FLAG_DMA_MAP, PP_FLAG_DMA_SYNC_DEV, PP_FLAG_PAGE_FRAG + * @flags: PP_FLAG_DMA_MAP, PP_FLAG_DMA_SYNC_DEV * @order: 2^order pages on allocation * @pool_size: size of the ptr_ring * @nid: NUMA node id to allocate from pages from
diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index 403b6df2e144..1927b9c36c23 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c@@ -756,8 +756,7 @@ struct page *page_pool_alloc_frag(struct page_pool *pool, 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(size > max_size)) return NULL; size = ALIGN(size, dma_get_cache_alignment());
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 2198979470ec..54256753bf01 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c@@ -5752,7 +5752,7 @@ bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from, /* In general, avoid mixing page_pool and non-page_pool allocated * pages within the same SKB. Additionally avoid dealing with clones * with page_pool pages, in case the SKB is using page_pool fragment - * references (PP_FLAG_PAGE_FRAG). Since we only take full page + * references (page_pool_alloc_frag()). Since we only take full page * references for cloned SKBs at the moment that would result in * inconsistent reference counts. * In theory we could take full references if @from is cloned and
--
2.33.0
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