1 files changed, 8 insertions, 1 deletions

diff --git a/net/core/dst.c b/net/core/dst.c
index 836ec6606925..1a53fb39b7e0 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -99,7 +99,14 @@ static void dst_run_gc(unsigned long dummy)
         printk("dst_total: %d/%d %ld\n",
                atomic_read(&dst_total), delayed,  dst_gc_timer_expires);
 #endif
-        mod_timer(&dst_gc_timer, jiffies + dst_gc_timer_expires);
+        /* if the next desired timer is more than 4 seconds in the future
+         * then round the timer to whole seconds
+         */
+        if (dst_gc_timer_expires > 4*HZ)
+                mod_timer(&dst_gc_timer,
+                        round_jiffies(jiffies + dst_gc_timer_expires));
+        else
+                mod_timer(&dst_gc_timer, jiffies + dst_gc_timer_expires);
 
 out:
         spin_unlock(&dst_lock);