On Thu, Jun 17, 2021 at 07:10:41AM -0700, Andy Lutomirski wrote: > On Thu, Jun 17, 2021, at 2:08 AM, Peter Zijlstra wrote: > > +extern void mm_unlazy_mm_count(struct mm_struct *mm); > > You didn't like mm_many_words_in_the_name_of_the_function()? :) :-) > > - if (mm) { > > - membarrier_mm_sync_core_before_usermode(mm); > > - mmdrop(mm); > > - } > > What happened here? > I forced your patch ontop of tip/master without bothering about the membarrier cleanups and figured I could live without that call for a little while. But yes, that needs cleaning up.