tcp: tcp_make_synack() consumes dst parameter

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tcp_make_synack() clones the dst, and callers release it.

We can avoid two atomic operations per SYNACK if tcp_make_synack()
consumes dst instead of cloning it.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2012-06-03 20:33:21 +00:00 • committed by David S. Miller

parent 90ba9b1986

commit 4aea39c11c

3 changed files with 14 additions and 6 deletions

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1

net/ipv4/tcp_ipv4.c

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18

net/ipv4/tcp_output.c

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1

net/ipv6/tcp_ipv6.c

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