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sched/core: Remove unnecessary initialization in sched_init()

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init_idle() is called immediately after:

  current->sched_class = &fair_sched_class;

init_idle() sets:

  current->sched_class = &idle_sched_class;

First assignment is superfluous.

Signed-off-by: Cheng Chao <cs.os.kernel@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1473819536-7398-1-git-send-email-cs.os.kernel@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Cheng Chao 2016-09-14 10:18:56 +08:00 committed by Ingo Molnar
parent 50797851b4
commit 0b8473570c
1 changed files with 0 additions and 5 deletions
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5
kernel/sched/core.c
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@ -7557,11 +7557,6 @@ void __init sched_init(void)
atomic_inc(&init_mm.mm_count);
enter_lazy_tlb(&init_mm, current);
/*
* During early bootup we pretend to be a normal task:
*/
current->sched_class = &fair_sched_class;
/*
* Make us the idle thread. Technically, schedule() should not be
* called from this thread, however somewhere below it might be,