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authorIngo Molnar <mingo@elte.hu>2006-03-07 21:55:27 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-08 14:14:00 -0800
commit81c29a857d3c8d6ea9c4f20d196c36bf0a07c615 (patch)
tree3ebb7813439ec75e1afbc4385431388cd7158d67 /kernel
parent4d6660eb3665f22d16aff466eb9d45df6102b254 (diff)
downloadlinux-81c29a857d3c8d6ea9c4f20d196c36bf0a07c615.tar.gz
[PATCH] idle threads should have a sane ->timestamp value
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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 3454bb869fd0..e82c99f1db64 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4335,6 +4335,7 @@ void __devinit init_idle(task_t *idle, int cpu)
 	runqueue_t *rq = cpu_rq(cpu);
 	unsigned long flags;
 
+	idle->timestamp = sched_clock();
 	idle->sleep_avg = 0;
 	idle->array = NULL;
 	idle->prio = MAX_PRIO;