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authorDavid S. Miller <davem@davemloft.net>2011-05-06 18:02:07 -0400
committerDavid S. Miller <davem@davemloft.net>2011-05-06 18:37:57 -0400
commitbdc712b4c2baf9515887de3a52e7ecd89fafc0c7 (patch)
tree3ce09227fb75593256403eaa459d178a2668db25 /net/ipv6/raw.c
parentad638bd16d91012a512979327b5c17c867d260c6 (diff)
inet: Decrease overhead of on-stack inet_cork.
When we fast path datagram sends to avoid locking by putting the inet_cork on the stack we use up lots of space that isn't necessary. This is because inet_cork contains a "struct flowi" which isn't used in these code paths. Split inet_cork to two parts, "inet_cork" and "inet_cork_full". Only the latter of which has the "struct flowi" and is what is stored in inet_sock. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Diffstat (limited to 'net/ipv6/raw.c')
-rw-r--r--net/ipv6/raw.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index e5e5425fe7d0..ae64984f81aa 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -542,8 +542,8 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
542 goto out; 542 goto out;
543 543
544 offset = rp->offset; 544 offset = rp->offset;
545 total_len = inet_sk(sk)->cork.length - (skb_network_header(skb) - 545 total_len = inet_sk(sk)->cork.base.length - (skb_network_header(skb) -
546 skb->data); 546 skb->data);
547 if (offset >= total_len - 1) { 547 if (offset >= total_len - 1) {
548 err = -EINVAL; 548 err = -EINVAL;
549 ip6_flush_pending_frames(sk); 549 ip6_flush_pending_frames(sk);