On 11/1/15, 1:27 PM, Eric W. Biederman wrote:

Roopa Prabhu [off-list ref] writes:

quoted

diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index c70d750..7db9678 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c

@@ -27,6 +27,8 @@
  */
 #define MAX_MP_SELECT_LABELS 4
 
+u32 mpls_multipath_secret __read_mostly;

This mpls_multipath_secret is never used.

It is used in mpls_multipath_rebalance, same as fib_rebalance.