]> git.baikalelectronics.ru Git - kernel.git/commit
tcp: tcp_make_synack() consumes dst parameter
authorEric Dumazet <edumazet@google.com>
Sun, 3 Jun 2012 20:33:21 +0000 (20:33 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 4 Jun 2012 15:27:39 +0000 (11:27 -0400)
commit87c8ccd3a08e60f57ac7a0c92647e940bce81cff
tree0389be795b0ebd8c75992eedf511e2346cfbf10f
parentd76f06e427e7e8ec0c41a97fb3b15b641b6f6ba7
tcp: tcp_make_synack() consumes dst parameter

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>
net/ipv4/tcp_ipv4.c
net/ipv4/tcp_output.c
net/ipv6/tcp_ipv6.c