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authorStephen Hemminger <shemminger@linux-foundation.org>2007-03-25 19:54:23 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:23:33 -0700
commit3927f2e8f9afa3424bb51ca81f7abac01ffd0005 (patch)
treeda9e335169572e6c743c084edce6a802f9e667ee /net/ipv4/tcp_yeah.c
parent9d729f72dca9406025bcfa9c1f660d71d9ef0ff5 (diff)
downloadop-kernel-dev-3927f2e8f9afa3424bb51ca81f7abac01ffd0005.zip
op-kernel-dev-3927f2e8f9afa3424bb51ca81f7abac01ffd0005.tar.gz
[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.c21
1 files changed, 0 insertions, 21 deletions
diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c
index 815e020..18355a2 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)
{
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