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(parent: 425f09a) | patch
fib: use __fls() on non null argument
authorEric Dumazet <edumazet@google.com>
Tue, 7 Aug 2012 10:45:47 +0000 (10:45 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 7 Aug 2012 23:24:55 +0000 (16:24 -0700)
commit79cda75a107da0d49732b5cb642b456264dd7e0e
tree7cffe187b2ff7732f6002d7fc373f87cb93837b9tree | snapshot
parent425f09ab7d1c9da6ca4137dd639cb6fe3f8a88f3commit | diff
fib: use __fls() on non null argument

__fls(x) is a bit faster than fls(x), granted we know x is non null.

As Ben Hutchings pointed out, fls(x) = __fls(x) + 1

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/fib_trie.c diff | blob | history