linux-kernel - Re: [PATCH] sched debug: remove NULL checking in print_cfs/rt

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Message-ID: <20081104092308.GK23790@elte.hu>
Date:	Tue, 4 Nov 2008 10:23:08 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH] sched debug: remove NULL checking in print_cfs/rt_rq()


* Li Zefan <lizf@...fujitsu.com> wrote:

> cfs->tg is initialized in init_tg_cfs_entry() with tg != NULL, and
> will never be invalidated to NULL. And the underlying cgroup of a
> valid task_group is always valid.
> 
> Same for rt->tg.
> 
> Signed-off-by: Li Zefan <lizf@...fujitsu.com>
> ---
>  kernel/sched_debug.c |   14 ++------------
>  1 files changed, 2 insertions(+), 12 deletions(-)

applied to tip/sched/core, thanks!

	Ingo
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