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net: axienet: Use napi_alloc_skb when refilling RX ring

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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: Robert Hancock <robert.hancock@calian.com>
Link: https://lore.kernel.org/r/20220308211013.1530955-1-robert.hancock@calian.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Robert Hancock 2022-03-08 15:10:13 -06:00 committed by Jakub Kicinski
parent 65466904b0
commit 6c7e7da2e0
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/xilinx/xilinx_axienet_main.c
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@ -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;