e37ef961e5
Le mardi 12 octobre 2010 à 00:02 +0200, Eric Dumazet a écrit : > Here is the followup patch. > > Thanks ! > Oops, this was an old version, the up2date ones also took care of "used" field. I guess its time for a sleep, sorry again. [PATCH net-next V2] neigh: reorder struct neighbour fields (refcnt) and (ha_lock, ha, used, dev, output, ops, primary_key) should be placed on a separate cache lines. refcnt can be often written, while other fields are mostly read. This gave me good result on stress test : before: real 0m45.570s user 0m15.525s sys 9m56.669s After: real 0m41.841s user 0m15.261s sys 8m45.949s Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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