* [PATCH net-next] r8152: replace netdev_alloc_skb_ip_align with napi_alloc_skb
@ 2016-06-08 6:52 Hayes Wang
2016-06-10 6:38 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Hayes Wang @ 2016-06-08 6:52 UTC (permalink / raw)
To: netdev; +Cc: nic_swsd, linux-kernel, linux-usb, Hayes Wang
Replace netdev_alloc_skb_ip_align() with napi_alloc_skb() which can save
several CPU cycles by avoiding having to disable and re-enable IRQs.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
---
drivers/net/usb/r8152.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 3f9f6ed..161c25e 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1742,7 +1742,7 @@ static int rx_bottom(struct r8152 *tp, int budget)
pkt_len -= CRC_SIZE;
rx_data += sizeof(struct rx_desc);
- skb = netdev_alloc_skb_ip_align(netdev, pkt_len);
+ skb = napi_alloc_skb(&tp->napi, pkt_len);
if (!skb) {
stats->rx_dropped++;
goto find_next_rx;
--
2.4.11
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net-next] r8152: replace netdev_alloc_skb_ip_align with napi_alloc_skb
2016-06-08 6:52 [PATCH net-next] r8152: replace netdev_alloc_skb_ip_align with napi_alloc_skb Hayes Wang
@ 2016-06-10 6:38 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2016-06-10 6:38 UTC (permalink / raw)
To: hayeswang; +Cc: netdev, nic_swsd, linux-kernel, linux-usb
From: Hayes Wang <hayeswang@realtek.com>
Date: Wed, 8 Jun 2016 14:52:33 +0800
> Replace netdev_alloc_skb_ip_align() with napi_alloc_skb() which can save
> several CPU cycles by avoiding having to disable and re-enable IRQs.
>
> Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Applied.
^ permalink raw reply [flat|nested] 2+ messages in thread
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