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SubjectRe: __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

p.s. this is really becoming a FAQ ;-)
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