From: Ingo Molnar <mingo@elte.hu>
ugh, has this been tested? It needs the patch below.
Ingo
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/kernel/sched.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -puN kernel/sched.c~sched-timestamp-fixes-fix kernel/sched.c
--- 25/kernel/sched.c~sched-timestamp-fixes-fix 2005-02-24 19:56:48.000000000 -0800
+++ 25-akpm/kernel/sched.c 2005-02-24 19:56:48.000000000 -0800
@@ -2664,11 +2664,11 @@ need_resched_nonpreemptible:
schedstat_inc(rq, sched_cnt);
now = sched_clock();
- if (likely((long long)now - prev->timestamp < NS_MAX_SLEEP_AVG))
+ if (likely((long long)now - prev->timestamp < NS_MAX_SLEEP_AVG)) {
run_time = now - prev->timestamp;
if (unlikely((long long)now - prev->timestamp < 0))
run_time = 0;
- else
+ } else
run_time = NS_MAX_SLEEP_AVG;
/*
_