On Thu, Jun 16, 2022, at 9:54 AM, Kirill A. Shutemov wrote: > On Thu, Jun 16, 2022 at 11:44:59AM +0200, Peter Zijlstra wrote: >> > get_nr_threads() is the wrong thing. Either look at mm->mm_users or >> > find a way to get rid of this restriction entirely. >> >> mm->mm_users should indeed be sufficient here. > > Hm. kthread_use_mm() doesn't bump mm_users. Do we care? I think the idea is that the kthread in question is expected to hold an mm_users reference. > > -- > Kirill A. Shutemov
