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authorEric Dumazet <edumazet@google.com>2014-11-11 16:54:27 +0300
committerDavid S. Miller <davem@davemloft.net>2014-11-11 21:00:05 +0300
commit3d97379a67486bc481ab5b8f7aa5b7ceb6154a95 (patch)
tree0a3d911efa46affbd5cd26a4d34f96878b8fa83a /net/ipv6/Kconfig
parent2e1af7d74f4f7b4d4c1b0fbf5da3b5f92d9c332f (diff)
downloadlinux-3d97379a67486bc481ab5b8f7aa5b7ceb6154a95.tar.xz
tcp: move sk_mark_napi_id() at the right place
sk_mark_napi_id() is used to record for a flow napi id of incoming packets for busypoll sake. We should do this only on established flows, not on listeners. This was 'working' by virtue of the socket cloning, but doing this on SYN packets in unecessary cache line dirtying. Even if we move sk_napi_id in the same cache line than sk_lock, we are working to make SYN processing lockless, so it is desirable to set sk_napi_id only for established flows. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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