ipvs: ip_vs_wrr.c: use lib/gcd.c

Remove the private version of the greatest common divider to use
lib/gcd.c, the latter also implementing the a < b case.

[akpm@linux-foundation.org: repair neighboring whitespace because the diff looked odd]
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Takashi Iwai <tiwai@suse.de>
Acked-by: Simon Horman <horms@verge.net.au>
Cc: Julius Volz <juliusv@google.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Patrick McHardy <kaber@trash.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>

diff --git a/net/netfilter/ipvs/Kconfig b/net/netfilter/ipvs/Kconfig
index 79a69805221889c91578ef8f45bf6a8313a3420e..f2d76238b9b5f05c8b95fa9afbcc72d95211f897 100644 (file)
--- a/net/netfilter/ipvs/Kconfig
+++ b/net/netfilter/ipvs/Kconfig
@@ -112,7 +112,8 @@ config      IP_VS_RR
          module, choose M here. If unsure, say N.
  
 config IP_VS_WRR
-        tristate "weighted round-robin scheduling" 
+       tristate "weighted round-robin scheduling"
+       select GCD
        ---help---
          The weighted robin-robin scheduling algorithm directs network
          connections to different real servers based on server weights

diff --git a/net/netfilter/ipvs/ip_vs_wrr.c b/net/netfilter/ipvs/ip_vs_wrr.c
index 6182e8ea0be7fe4bb4aa3fed045981025fcfd5d2..3c115fc197843287d9bf0dff379e6fbdc4f37c02 100644 (file)
--- a/net/netfilter/ipvs/ip_vs_wrr.c
+++ b/net/netfilter/ipvs/ip_vs_wrr.c
@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/net.h>
+#include <linux/gcd.h>
 
 #include <net/ip_vs.h>
 
@@ -38,20 +39,6 @@ struct ip_vs_wrr_mark {
 };
 
 
-/*
- *    Get the gcd of server weights
- */
-static int gcd(int a, int b)
-{
-       int c;
-
-       while ((c = a % b)) {
-               a = b;
-               b = c;
-       }
-       return b;
-}
-
 static int ip_vs_wrr_gcd_weight(struct ip_vs_service *svc)
 {
        struct ip_vs_dest *dest;