Messages in this thread |  | | Date | Wed, 13 Oct 2004 11:29:55 +0100 | From | Christoph Hellwig <> | Subject | Re: __put_task_struct unresolved when being used in modules |
| |
On Wed, Oct 13, 2004 at 12:17:54PM +0200, Thomas Spatzier wrote: > > > > > I have a module that keeps a reference to a task_struct and uses > get_task_struct and put_task_struct to increment/decrement the > task_struct's ref count. > Function __put_task_struct defined in kernel/fork.c does not have > an associated EXPORT_SYMBOL , so I get an unresolved symbol > error. > Is there a reason why __put_task_struct is not exported? Otherwise, > I would just add the missing EXPORT_SYMBOL. There are a number > of EXPORT_SYMBOLs already defined in fork.c anyway.
In general module shouldn't deal with task reference counts. If we decide you have a legitimate reason for doing this from a module after a review here on lkml we could add an EXPORT_SYMBOL_GPL at the same time your module gets merged.
p.s. this is really becoming a FAQ ;-) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |