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authorEric Dumazet <eric.dumazet@gmail.com>2010-05-06 21:58:51 -0700
committerDavid S. Miller <davem@davemloft.net>2010-05-06 21:58:51 -0700
commit18e8c134f4e984e6639e62846345192816f06d5c (patch)
tree81bb46de14f020424716bd41915e831b07ce00c6 /init
parentd6bc0149d8f2300bffa03ea6fea3ca39744277a6 (diff)
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net: Increase NET_SKB_PAD to 64 bytes
eth_type_trans() & get_rps_cpus() currently need two 64bytes cache lines in packet to compute rxhash. Increasing NET_SKB_PAD from 32 to 64 reduces the need to one cache line only, and makes RPS faster. NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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