Merge branch 'bpf-lru-perf'

Merge branch 'bpf-lru-perf'

Martin KaFai Lau says:

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bpf: LRU performance and test-program improvements

The first 4 patches make a few improvements to the LRU tests.

Patch 5/6 is to improve the performance of BPF_F_NO_COMMON_LRU map.

Patch 6/6 adds an example in using LRU map with map-in-map.
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Signed-off-by: David S. Miller <davem@davemloft.net>