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-rw-r--r--net/ipv4/tcp_cubic.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index eb5b9854c8c7..4a1221e5e8ee 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -15,8 +15,8 @@
15 15
16#include <linux/mm.h> 16#include <linux/mm.h>
17#include <linux/module.h> 17#include <linux/module.h>
18#include <linux/math64.h>
18#include <net/tcp.h> 19#include <net/tcp.h>
19#include <asm/div64.h>
20 20
21#define BICTCP_BETA_SCALE 1024 /* Scale factor beta calculation 21#define BICTCP_BETA_SCALE 1024 /* Scale factor beta calculation
22 * max_cwnd = snd_cwnd * beta 22 * max_cwnd = snd_cwnd * beta
@@ -128,7 +128,7 @@ static u32 cubic_root(u64 a)
128 * x = ( 2 * x + a / x ) / 3 128 * x = ( 2 * x + a / x ) / 3
129 * k+1 k k 129 * k+1 k k
130 */ 130 */
131 x = (2 * x + (u32)div64_64(a, (u64)x * (u64)(x - 1))); 131 x = (2 * x + (u32)div64_u64(a, (u64)x * (u64)(x - 1)));
132 x = ((x * 341) >> 10); 132 x = ((x * 341) >> 10);
133 return x; 133 return x;
134} 134}