K 10
svn:author
V 5
shurd
K 8
svn:date
V 27
2017-10-23T20:50:08.778032Z
K 7
svn:log
V 408
Some cache related optimizations

1. prefetch 128 bytes of mbufs.
2. Re-order filling the pkt_info so cache stalls happen at the end
3. Define empty prefetch2cachelines() macro when the function isn't present.

Provides small performance improvments on some hardware

Reviewed by:	sbruno
Approved by:	sbruno (mentor)
Sponsored by:	Limelight Networks
Differential Revision:	https://reviews.freebsd.org/D12447

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