[PATCH 1/3] PM / Sleep: Make [un]lock_system_sleep() generic

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On 12/05, Srivatsa S. Bhat wrote:
>
> I looked up in git and found that commit ba96a0c by Rafael introduced the
> count functions, to handle the vfork case. But now, we seem to have more
> uses than that. So I think we can remove that userspace restriction in the
> count functions,

Agreed.

> and in kernel/fork.c, do something like:
>
> if (current->mm)
> 	freezer_do_not_count();
> ...
> if (current->mm)
> 	freezer_count();

see http://marc.info/?l=linux-kernel&m=132033335507261

I think this is not needed, we can just remove the ->mm check.
CLONE_VFORK is not used by a freezable kthread.

Oleg.




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