1 files changed, 9 insertions, 5 deletions

diff --git a/kernel/timer.c b/kernel/timer.c
index 0256ab443d8a..feddf817baa5 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1146,11 +1146,15 @@ static inline void calc_load(unsigned long ticks)
         unsigned long active_tasks; /* fixed-point */
         static int count = LOAD_FREQ;
 
-        active_tasks = count_active_tasks();
-        for (count -= ticks; count < 0; count += LOAD_FREQ) {
-                CALC_LOAD(avenrun[0], EXP_1, active_tasks);
-                CALC_LOAD(avenrun[1], EXP_5, active_tasks);
-                CALC_LOAD(avenrun[2], EXP_15, active_tasks);
+        count -= ticks;
+        if (unlikely(count < 0)) {
+                active_tasks = count_active_tasks();
+                do {
+                        CALC_LOAD(avenrun[0], EXP_1, active_tasks);
+                        CALC_LOAD(avenrun[1], EXP_5, active_tasks);
+                        CALC_LOAD(avenrun[2], EXP_15, active_tasks);
+                        count += LOAD_FREQ;
+                } while (count < 0);
         }
 }