On Mon 05-11-18 12:18:33, Andrew Morton wrote: > On Mon, 5 Nov 2018 11:29:55 -0800 Sean Christopherson <sean.j.christopherson@xxxxxxxxx> wrote: [...] > > -EXPORT_SYMBOL_GPL(mmu_notifier_synchronize); > > +EXPORT_SYMBOL_GPL(mmu_notifier_barrier); > > > > /* > > * This function can't run concurrently against mmu_notifier_register > > But as it has no callers, why retain it? Exported symbols are not freed and if this is not used by any in-kernel code then I would just remove it. -- Michal Hocko SUSE Labs