1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 2586df09b9b6..4e189e28f306 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -8,7 +8,7 @@
  *              From code orinally in TCP
  */
 
-
+#include <linux/kernel.h>
 #include <net/inet_hashtables.h>
 #include <net/inet_timewait_sock.h>
 #include <net/ip.h>
@@ -292,7 +292,7 @@ void inet_twsk_schedule(struct inet_timewait_sock *tw,
                 if (timeo >= timewait_len) {
                         slot = INET_TWDR_TWKILL_SLOTS - 1;
                 } else {
-                        slot = (timeo + twdr->period - 1) / twdr->period;
+                        slot = DIV_ROUND_UP(timeo, twdr->period);
                         if (slot >= INET_TWDR_TWKILL_SLOTS)
                                 slot = INET_TWDR_TWKILL_SLOTS - 1;
                 }