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| author |   Eric Dumazet <edumazet@google.com> | 2013-03-20 09:33:19 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-03-20 13:29:34 -0400 |
| commit | 70386d40e19eeff8696f2593755e78f6f7fa9e6d (patch) | |
| tree | f895edd9f5d81d0ee7f50d07412294cf7ddded05 /drivers/net/ethernet/chelsio | |
| parent | dynticks: avoid flow_cache_flush() interrupting every core (diff) | |
| download | linux-dev-70386d40e19eeff8696f2593755e78f6f7fa9e6d.tar.xz linux-dev-70386d40e19eeff8696f2593755e78f6f7fa9e6d.zip | |
chelsio: add headroom in RX path
Drivers should reserve some headroom in skb used in receive path,
to avoid future head reallocation.
One possible way to do that is to use dev_alloc_skb() instead
of alloc_skb(), so that NET_SKB_PAD bytes are reserved.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb/sge.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb/sge.c b/drivers/net/ethernet/chelsio/cxgb/sge.c index 482976925154..89bef504d9dc 100644 --- a/drivers/net/ethernet/chelsio/cxgb/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb/sge.c @@ -835,7 +835,7 @@ static void refill_free_list(struct sge *sge, struct freelQ *q) struct sk_buff *skb; dma_addr_t mapping; - skb = alloc_skb(q->rx_buffer_size, GFP_ATOMIC); + skb = dev_alloc_skb(q->rx_buffer_size); if (!skb) break; |