netdev - [PATCH RFC] tun, macvtap: higher order allocations for skbs

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Date:	Thu, 18 Jun 2015 12:20:17 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	"David S. Miller" <davem@...emloft.net>,
	Jason Wang <jasowang@...hat.com>, netdev@...r.kernel.org
Subject: [PATCH RFC] tun, macvtap: higher order allocations for skbs

Needs more testing. Anyone see anything wrong with this?

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---
 drivers/net/macvtap.c | 2 +-
 drivers/net/tun.c     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 928f3f4..80e87e4 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -610,7 +610,7 @@ static inline struct sk_buff *macvtap_alloc_skb(struct sock *sk, size_t prepad,
 		linear = len;
 
 	skb = sock_alloc_send_pskb(sk, prepad + linear, len - linear, noblock,
-				   err, 0);
+				   err, 1);
 	if (!skb)
 		return NULL;
 
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index cb376b2d..8f2f1e5 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1069,7 +1069,7 @@ static struct sk_buff *tun_alloc_skb(struct tun_file *tfile,
 		linear = len;
 
 	skb = sock_alloc_send_pskb(sk, prepad + linear, len - linear, noblock,
-				   &err, 0);
+				   &err, 1);
 	if (!skb)
 		return ERR_PTR(err);
 
-- 
MST
--
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