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由 Stephen Hemminger 提交于
The comparison in ip_route_input is a hot path, by recoding the C "and" as bit operations, fewer conditional branches get generated so the code should be faster. Maybe someday Gcc will be smart enough to do this? Signed-off-by: NStephen Hemminger <shemminger@vyatta.com> Acked-by: NEric Dumazet <dada1@cosmosbay.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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