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authorEric Dumazet <eric.dumazet@gmail.com>2010-06-24 01:00:22 +0000
committerDavid S. Miller <davem@davemloft.net>2010-06-28 23:24:31 -0700
commitc4ead4c595cd54cf7b1a184d4f888ce0d7cce7d4 (patch)
treea78a70904126106d61d9b16c3179c8cafb16df99 /net
parentvlan: 64 bit rx counters (diff)
downloadlinux-dev-c4ead4c595cd54cf7b1a184d4f888ce0d7cce7d4.tar.xz
linux-dev-c4ead4c595cd54cf7b1a184d4f888ce0d7cce7d4.zip
tcp: tso_fragment() might avoid GFP_ATOMIC
We can pass a gfp argument to tso_fragment() and avoid GFP_ATOMIC allocations sometimes. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp_output.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 51d316dbb058..25ff62e35a68 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1460,7 +1460,7 @@ int tcp_may_send_now(struct sock *sk)
* packet has never been sent out before (and thus is not cloned).
*/
static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
- unsigned int mss_now)
+ unsigned int mss_now, gfp_t gfp)
{
struct sk_buff *buff;
int nlen = skb->len - len;
@@ -1470,7 +1470,7 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
if (skb->len != skb->data_len)
return tcp_fragment(sk, skb, len, mss_now);
- buff = sk_stream_alloc_skb(sk, 0, GFP_ATOMIC);
+ buff = sk_stream_alloc_skb(sk, 0, gfp);
if (unlikely(buff == NULL))
return -ENOMEM;
@@ -1768,7 +1768,7 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
cwnd_quota);
if (skb->len > limit &&
- unlikely(tso_fragment(sk, skb, limit, mss_now)))
+ unlikely(tso_fragment(sk, skb, limit, mss_now, gfp)))
break;
TCP_SKB_CB(skb)->when = tcp_time_stamp;