linux-kernel - Re: error: implicit declaration of function 'rcu_dereference'

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Message-ID: <9a8748490708021310q10f28c02ud1c9f8f95ff2869f@mail.gmail.com>
Date:	Thu, 2 Aug 2007 22:10:02 +0200
From:	"Jesper Juhl" <jesper.juhl@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	"Dipankar Sarma" <dipankar@...ibm.com>,
	"Jesper Juhl" <jesper.juhl@...il.com>
Subject: Re: error: implicit declaration of function 'rcu_dereference' - current -git fails to build

On 02/08/07, Jesper Juhl <jesper.juhl@...il.com> wrote:
> I get this build error with the current mainline git tree.

When I say "current mainline git tree" I mean that HEAD is at
370504cf7c68b953de55c41d5e0be97d30f3cf00

> Let me know if further details are needed...
>
> ...
> In file included from include/linux/sched.h:75,
>                  from include/linux/smp_lock.h:5,
>                  from include/linux/hardirq.h:5,
>                  from include/linux/slub_def.h:13,
>                  from include/linux/slab.h:116,
>                  from include/linux/percpu.h:5,
>                  from include/linux/rcupdate.h:41,
>                  from include/linux/key.h:21,
>                  from include/linux/syscalls.h:67,
>                  from init/noinitramfs.c:23:
> include/linux/pid.h:51: error: field 'rcu' has incomplete type
> In file included from include/linux/smp_lock.h:5,
>                  from include/linux/hardirq.h:5,
>                  from include/linux/slub_def.h:13,
>                  from include/linux/slab.h:116,
>                  from include/linux/percpu.h:5,
>                  from include/linux/rcupdate.h:41,
>                  from include/linux/key.h:21,
>                  from include/linux/syscalls.h:67,
>                  from init/noinitramfs.c:23:
> include/linux/sched.h:1187: error: field 'rcu' has incomplete type
> include/linux/sched.h: In function 'next_thread':
> include/linux/sched.h:1650: error: implicit declaration of function
> 'rcu_dereference'
> include/linux/sched.h:1650: warning: initialization makes pointer from
> integer without a cast
> make[1]: *** [init/noinitramfs.o] Error 1
> make: *** [init] Error 2
>
>
> --
> Jesper Juhl <jesper.juhl@...il.com>
> Don't top-post  http://www.catb.org/~esr/jargon/html/T/top-post.html
> Plain text mails only, please      http://www.expita.com/nomime.html
>


-- 
Jesper Juhl <jesper.juhl@...il.com>
Don't top-post  http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please      http://www.expita.com/nomime.html
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