Hi Oleg, On 12/06/2011 12:05 AM, Oleg Nesterov wrote: > 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. > Great! Thanks for the pointer. I'll send a patch to remove that check. Regards, Srivatsa S. Bhat
