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ipv4: Optimization for fib_info lookup with nexthops
authorDavid Ahern <dsahern@gmail.com>
Sat, 8 Jun 2019 21:53:33 +0000 (14:53 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 10 Jun 2019 17:44:57 +0000 (10:44 -0700)
commit6c48ea5fe639ab7e7b3eb5d8e8b324b13188bf10
tree2eb94deff893ca111adf181d1b98c3ae51169733tree | snapshot
parent493ced1ac47c48bb86d9d4e8e87df8592be85a0ecommit | diff
ipv4: Optimization for fib_info lookup with nexthops

Be optimistic about re-using a fib_info when nexthop id is given and
the route does not use metrics. Avoids a memory allocation which in
most cases is expected to be freed anyways.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/fib_semantics.c diff | blob | history
Domain: System / Kernel;