From: Greg KH <gregkh@suse.de>
To: Keiichiro Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Cc: Greg KH <gregkh@suse.de>, linux-kernel@vger.kernel.org, akpm@osdl.org
Subject: Re: [RFC/PATCH] unregister_node() for hotplug use
Date: Thu, 21 Apr 2005 17:39:20 -0700 [thread overview]
Message-ID: <20050422003920.GD6829@kroah.com> (raw)
In-Reply-To: <20050422003009.1b96f09c.tokunaga.keiich@jp.fujitsu.com>
On Fri, Apr 22, 2005 at 12:30:09AM +0900, Keiichiro Tokunaga wrote:
> +#ifdef CONFIG_HOTPLUG
> +void unregister_node(struct node *node)
> +{
> + sysdev_remove_file(&node->sysdev, &attr_cpumap);
> + sysdev_remove_file(&node->sysdev, &attr_meminfo);
> + sysdev_remove_file(&node->sysdev, &attr_numastat);
> + sysdev_remove_file(&node->sysdev, &attr_distance);
> +
> + sysdev_unregister(&node->sysdev);
> +}
> +EXPORT_SYMBOL_GPL(register_node);
> +EXPORT_SYMBOL_GPL(unregister_node);
> +#else /* !CONFIG_HOTPLUG */
> +void unregister_node(struct node *node)
> +{
> +}
> +#endif /* !CONFIG_HOTPLUG */
Oops, you only exported the symbols if CONFIG_HOTPLUG is enabled, not a
good idea. Either make the null functions in a .h file if the option is
not enabled, or always export them.
And the comment for the #endif isn't really needed, as the whole #ifdef
fits on a single screen :)
And hey, what's the real big deal here, why not always have this
function no matter if CONFIG_HOTPLUG is enabled or not? I really want
to just make that an option that is always enabled anyway, but changable
if you are using CONFIG_TINY or something...
thanks,
greg k-h
next prev parent reply other threads:[~2005-04-22 0:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-20 12:07 [RFC/PATCH] unregister_node() for hotplug use Keiichiro Tokunaga
2005-04-20 12:35 ` Arjan van de Ven
2005-04-21 9:25 ` Keiichiro Tokunaga
2005-04-20 17:32 ` Greg KH
2005-04-21 15:30 ` Keiichiro Tokunaga
2005-04-22 0:39 ` Greg KH [this message]
2005-04-22 2:32 ` Keiichiro Tokunaga
2005-04-25 14:03 ` Keiichiro Tokunaga
2005-04-26 6:54 ` Greg KH
2005-04-28 0:17 ` Keiichiro Tokunaga
2005-05-07 12:11 ` Keiichiro Tokunaga
2005-05-08 0:26 ` Nathan Lynch
2005-05-08 12:28 ` Keiichiro Tokunaga
2005-05-09 22:44 ` Matthew Dobson
2005-05-10 11:20 ` Keiichiro Tokunaga
2005-05-10 18:15 ` Matthew Dobson
2005-05-10 18:45 ` Greg KH
2005-05-10 18:58 ` Matthew Dobson
2005-05-10 20:11 ` Greg KH
2005-05-10 20:13 ` Matthew Dobson
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