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sched: Constify function scope static struct sched_param usage

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Function-scope statics are discouraged because they are
easily overlooked and can cause subtle bugs/races due to
their global (non-SMP safe) nature.

Linus noticed that we did this for sched_param - at minimum
make the const.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: Message-ID: <AANLkTinotRxScOHEb0HgFgSpGPkq_6jKTv5CfvnQM=ee@mail.gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra
2011-01-07 13:41:40 +01:00
committed by Ingo Molnar
parent 524429c31b
commit c9b5f501ef
4 changed files with 4 additions and 4 deletions
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kernel/kthread.c
+1 -1
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@@ -148,7 +148,7 @@ struct task_struct *kthread_create(int (*threadfn)(void *data),
wait_for_completion(&create.done);
if (!IS_ERR(create.result)) {
static struct sched_param param = { .sched_priority = 0 };
static const struct sched_param param = { .sched_priority = 0 };
va_list args;
va_start(args, namefmt);