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

From: Michael S. Tsirkin
Date: Thu Jun 18 2015 - 06:20:27 EST


Needs more testing. Anyone see anything wrong with this?

Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
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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