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| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-03-25 19:54:23 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:23:33 -0700 |
| commit | 3927f2e8f9afa3424bb51ca81f7abac01ffd0005 (patch) | |
| tree | da9e335169572e6c743c084edce6a802f9e667ee /net/ipv4/tcp_yeah.c | |
| parent | 9d729f72dca9406025bcfa9c1f660d71d9ef0ff5 (diff) | |
| download | linux-3927f2e8f9afa3424bb51ca81f7abac01ffd0005.tar.gz linux-3927f2e8f9afa3424bb51ca81f7abac01ffd0005.tar.bz2 linux-3927f2e8f9afa3424bb51ca81f7abac01ffd0005.zip | |
[NET]: div64_64 consolidate (rev3)
Here is the current version of the 64 bit divide common code.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_yeah.c')
| -rw-r--r-- | net/ipv4/tcp_yeah.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c index 815e020e98fe..18355a2608e1 100644 --- a/net/ipv4/tcp_yeah.c +++ b/net/ipv4/tcp_yeah.c @@ -73,27 +73,6 @@ static void tcp_yeah_pkts_acked(struct sock *sk, u32 pkts_acked) yeah->pkts_acked = pkts_acked; } -/* 64bit divisor, dividend and result. dynamic precision */ -static inline u64 div64_64(u64 dividend, u64 divisor) -{ - u32 d = divisor; - - if (divisor > 0xffffffffULL) { - unsigned int shift = fls(divisor >> 32); - - d = divisor >> shift; - dividend >>= shift; - } - - /* avoid 64 bit division if possible */ - if (dividend >> 32) - do_div(dividend, d); - else - dividend = (u32) dividend / d; - - return dividend; -} - static void tcp_yeah_cong_avoid(struct sock *sk, u32 ack, u32 seq_rtt, u32 in_flight, int flag) { |