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Date: Thu, 07 Jul 2011 15:11:28 +0200
From: Eric Dumazet <eric.dumazet@...il.com>
To: David Miller <davem@...emloft.net>
Cc: netdev <netdev@...r.kernel.org>,
Stephen Hemminger <shemminger@...tta.com>
Subject: [PATCH] sky2: use GFP_KERNEL allocations at device setup
In process and sleep allowed context, favor GFP_KERNEL allocations over
GFP_ATOMIC ones.
Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
CC: Stephen Hemminger <shemminger@...tta.com>
---
drivers/net/sky2.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index e14b86e..c91513e 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1362,13 +1362,14 @@ static inline unsigned sky2_rx_pad(const struct sky2_hw *hw)
* Allocate an skb for receiving. If the MTU is large enough
* make the skb non-linear with a fragment list of pages.
*/
-static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2)
+static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2, gfp_t gfp)
{
struct sk_buff *skb;
int i;
- skb = netdev_alloc_skb(sky2->netdev,
- sky2->rx_data_size + sky2_rx_pad(sky2->hw));
+ skb = __netdev_alloc_skb(sky2->netdev,
+ sky2->rx_data_size + sky2_rx_pad(sky2->hw),
+ gfp);
if (!skb)
goto nomem;
@@ -1386,7 +1387,7 @@ static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2)
skb_reserve(skb, NET_IP_ALIGN);
for (i = 0; i < sky2->rx_nfrags; i++) {
- struct page *page = alloc_page(GFP_ATOMIC);
+ struct page *page = alloc_page(gfp);
if (!page)
goto free_partial;
@@ -1416,7 +1417,7 @@ static int sky2_alloc_rx_skbs(struct sky2_port *sky2)
for (i = 0; i < sky2->rx_pending; i++) {
struct rx_ring_info *re = sky2->rx_ring + i;
- re->skb = sky2_rx_alloc(sky2);
+ re->skb = sky2_rx_alloc(sky2, GFP_KERNEL);
if (!re->skb)
return -ENOMEM;
@@ -2384,7 +2385,7 @@ static struct sk_buff *receive_new(struct sky2_port *sky2,
struct rx_ring_info nre;
unsigned hdr_space = sky2->rx_data_size;
- nre.skb = sky2_rx_alloc(sky2);
+ nre.skb = sky2_rx_alloc(sky2, GFP_ATOMIC);
if (unlikely(!nre.skb))
goto nobuf;
--
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