1 files changed, 11 insertions, 4 deletions

diff --git a/net/core/dst.c b/net/core/dst.c
index fc434ade5270..334790da9f16 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -45,6 +45,7 @@ static struct timer_list dst_gc_timer =
 static void dst_run_gc(unsigned long dummy)
 {
         int    delayed = 0;
+        int    work_performed;
         struct dst_entry * dst, **dstp;
 
         if (!spin_trylock(&dst_lock)) {
@@ -52,9 +53,9 @@ static void dst_run_gc(unsigned long dummy)
                 return;
         }
 
-
         del_timer(&dst_gc_timer);
         dstp = &dst_garbage_list;
+        work_performed = 0;
         while ((dst = *dstp) != NULL) {
                 if (atomic_read(&dst->__refcnt)) {
                         dstp = &dst->next;
@@ -62,6 +63,7 @@ static void dst_run_gc(unsigned long dummy)
                         continue;
                 }
                 *dstp = dst->next;
+                work_performed = 1;
 
                 dst = dst_destroy(dst);
                 if (dst) {
@@ -86,9 +88,14 @@ static void dst_run_gc(unsigned long dummy)
                 dst_gc_timer_inc = DST_GC_MAX;
                 goto out;
         }
-        if ((dst_gc_timer_expires += dst_gc_timer_inc) > DST_GC_MAX)
-                dst_gc_timer_expires = DST_GC_MAX;
-        dst_gc_timer_inc += DST_GC_INC;
+        if (!work_performed) {
+                if ((dst_gc_timer_expires += dst_gc_timer_inc) > DST_GC_MAX)
+                        dst_gc_timer_expires = DST_GC_MAX;
+                dst_gc_timer_inc += DST_GC_INC;
+        } else {
+                dst_gc_timer_inc = DST_GC_INC;
+                dst_gc_timer_expires = DST_GC_MIN;
+        }
         dst_gc_timer.expires = jiffies + dst_gc_timer_expires;
 #if RT_CACHE_DEBUG >= 2
         printk("dst_total: %d/%d %ld\n",