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[PATCH] idle threads should have a sane ->timestamp value

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Idle threads should have a sane ->timestamp value, to avoid init kernel
thread(s) from inheriting it and causing miscalculations in
try_to_wake_up().

Reported-by: Mike Galbraith <efault@gmx.de>.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-03-07 21:55:27 -08:00 committed by Linus Torvalds
parent 4d6660eb36
commit 81c29a857d
1 changed files with 1 additions and 0 deletions
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kernel/sched.c
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@ -4335,6 +4335,7 @@ void __devinit init_idle(task_t *idle, int cpu)
runqueue_t *rq = cpu_rq(cpu); runqueue_t *rq = cpu_rq(cpu);
unsigned long flags; unsigned long flags;
idle->timestamp = sched_clock();
idle->sleep_avg = 0; idle->sleep_avg = 0;
idle->array = NULL; idle->array = NULL;
idle->prio = MAX_PRIO; idle->prio = MAX_PRIO;