/*
  * Search the first expiring timer in the various clock levels. Caller must
  * hold base->lock.
+ *
+ * Store next expiry time in base->next_expiry.
  */
-static unsigned long __next_timer_interrupt(struct timer_base *base)
+static void next_expiry_recalc(struct timer_base *base)
 {
        unsigned long clk, next, adj;
        unsigned lvl, offset = 0;
                clk += adj;
        }
 
+       base->next_expiry = next;
        base->next_expiry_recalc = false;
        base->timers_pending = !(next == base->clk + NEXT_TIMER_MAX_DELTA);
-
-       return next;
 }
 
 #ifdef CONFIG_NO_HZ_COMMON
 
        raw_spin_lock(&base->lock);
        if (base->next_expiry_recalc)
-               base->next_expiry = __next_timer_interrupt(base);
+               next_expiry_recalc(base);
        nextevt = base->next_expiry;
 
        /*
                WARN_ON_ONCE(!levels && !base->next_expiry_recalc
                             && base->timers_pending);
                base->clk++;
-               base->next_expiry = __next_timer_interrupt(base);
+               next_expiry_recalc(base);
 
                while (levels--)
                        expire_timers(base, heads + levels);