[PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem)

[Atsushi Nemoto <anemo@mba.ocn.ne.jp>]

In kernel 2.6, update_times() is called directly in timer interrupt,
so there is no point calculating ticks here.  This also get rid of
difference of jiffies and jiffies_64 due to compiler's optimization
(which was reported previously with subject "jiffies_64 vs. jiffies").

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>

diff --git a/kernel/timer.c b/kernel/timer.c
index fe3a9a9..6188c99 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -906,14 +906,9 @@ void run_local_timers(void)
  */
 static inline void update_times(void)
 {
-	unsigned long ticks;
-
-	ticks = jiffies - wall_jiffies;
-	if (ticks) {
-		wall_jiffies += ticks;
-		update_wall_time(ticks);
-	}
-	calc_load(ticks);
+	wall_jiffies++;
+	update_wall_time(1);
+	calc_load(1);
 }
   
 /*

---
Atsushi Nemoto
-
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