Bruce Richardson 1f22652ca8 ixgbe: fix perf regression due to moved pool ptr
Adjust the fast-path code to fix the regression caused by the pool
pointer moving to the second cache line. This change adjusts the
prefetching and also the way in which the mbufs are freed back to the
mempool.
Note: slow-path e.g. path supporting jumbo frames, is still slower, but
is dealt with by a later commit

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
2014-09-17 18:57:37 +02:00
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