linux-kernel - Re: [PATCH 1/1] kernel/rcu/tree.c: remove duplicate extern definition

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Date:	Sun, 13 Apr 2014 23:31:57 -0400
From:	Pranith Kumar <bobby.prani@...il.com>
To:	Joe Perches <joe@...ches.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] kernel/rcu/tree.c: remove duplicate extern definition

On Sun, Apr 13, 2014 at 11:18 PM, Joe Perches <joe@...ches.com> wrote:

>> As the comment mentions, resched_cpu is internal to the scheduler and
>> hence is in sched/sched.h file and not in linux/sched.h.
>
> Note the use of quotes and lack of angle brackets.
>
>> sched/sched.h cannot be included in other subsystems directly.
>
> If functions from it can be declared extern,
> then likely it could be used in an #include.
>
>

All the users of resched_cpu are in kernel/sched/ and in
kernel/rcu/tree.c. I think the only reason this was declared extern
was for the special use in rcu/tree.c.


-- 
Pranith
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