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| author | Jakub Kicinski <kuba@kernel.org> | 2025-08-19 19:56:50 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-08-21 08:03:54 -0700 |
| commit | 07cf71bf25cd4e5735ff13468e7b86f02c3665cb (patch) | |
| tree | f38bb859939713242358651b695efd30d0cc430e /drivers | |
| parent | Merge branch 'add-ppe-driver-for-qualcomm-ipq9574-soc' (diff) | |
| download | linux-07cf71bf25cd4e5735ff13468e7b86f02c3665cb.tar.gz linux-07cf71bf25cd4e5735ff13468e7b86f02c3665cb.zip | |
net: page_pool: add page_pool_get()
There is a page_pool_put() function but no get equivalent.
Having multiple references to a page pool is quite useful.
It avoids branching in create / destroy paths in drivers
which support memory providers.
Use the new helper in bnxt.
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20250820025704.166248-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index ba99de403138..14fa5b9e0f6c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -3800,8 +3800,7 @@ static void bnxt_free_rx_rings(struct bnxt *bp) xdp_rxq_info_unreg(&rxr->xdp_rxq); page_pool_destroy(rxr->page_pool); - if (bnxt_separate_head_pool(rxr)) - page_pool_destroy(rxr->head_pool); + page_pool_destroy(rxr->head_pool); rxr->page_pool = rxr->head_pool = NULL; kfree(rxr->rx_agg_bmap); @@ -3848,6 +3847,8 @@ static int bnxt_alloc_rx_page_pool(struct bnxt *bp, pool = page_pool_create(&pp); if (IS_ERR(pool)) goto err_destroy_pp; + } else { + page_pool_get(pool); } rxr->head_pool = pool; @@ -15903,8 +15904,7 @@ err_rxq_info_unreg: xdp_rxq_info_unreg(&clone->xdp_rxq); err_page_pool_destroy: page_pool_destroy(clone->page_pool); - if (bnxt_separate_head_pool(clone)) - page_pool_destroy(clone->head_pool); + page_pool_destroy(clone->head_pool); clone->page_pool = NULL; clone->head_pool = NULL; return rc; @@ -15922,8 +15922,7 @@ static void bnxt_queue_mem_free(struct net_device *dev, void *qmem) xdp_rxq_info_unreg(&rxr->xdp_rxq); page_pool_destroy(rxr->page_pool); - if (bnxt_separate_head_pool(rxr)) - page_pool_destroy(rxr->head_pool); + page_pool_destroy(rxr->head_pool); rxr->page_pool = NULL; rxr->head_pool = NULL; |