Commit 6c7e7da2 authored by Robert Hancock's avatar Robert Hancock Committed by Jakub Kicinski
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net: axienet: Use napi_alloc_skb when refilling RX ring 



Use napi_alloc_skb to allocate memory when refilling the RX ring
in axienet_poll for more efficiency. napi_alloc_skb() can reuse
softirq-local cache of freed skbs which may still be cache-warm
and skipping allocator calls.

Signed-off-by: default avatarRobert Hancock <robert.hancock@calian.com>
Link: https://lore.kernel.org/r/20220308211013.1530955-1-robert.hancock@calian.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 65466904

drivers/net/ethernet/xilinx/xilinx_axienet_main.c

+1 −1
Original line number Diff line number Diff line
@@ -965,7 +965,7 @@ static int axienet_poll(struct napi_struct *napi, int budget) 
			packets++;

		}



		new_skb = netdev_alloc_skb_ip_align(lp->ndev, lp->max_frm_size);

		new_skb = napi_alloc_skb(napi, lp->max_frm_size);

		if (!new_skb)

			break;