On Tue 06-08-19 10:19:49, Konstantin Khlebnikov wrote: > On 8/6/19 10:07 AM, Michal Hocko wrote: > > On Fri 02-08-19 13:44:38, Michal Hocko wrote: > > [...] > > > > > diff --git a/mm/memcontrol.c b/mm/memcontrol.c > > > > > index ba9138a4a1de..53a35c526e43 100644 > > > > > --- a/mm/memcontrol.c > > > > > +++ b/mm/memcontrol.c > > > > > @@ -2429,8 +2429,12 @@ static int try_charge(struct mem_cgroup *memcg, gfp_t gfp_mask, > > > > > schedule_work(&memcg->high_work); > > > > > break; > > > > > } > > > > > - current->memcg_nr_pages_over_high += batch; > > > > > - set_notify_resume(current); > > > > > + if (gfpflags_allow_blocking(gfp_mask)) { > > > > > + reclaim_high(memcg, nr_pages, GFP_KERNEL); > > > > > > ups, this should be s@GFP_KERNEL@gfp_mask@ > > > > > > > > + } else { > > > > > + current->memcg_nr_pages_over_high += batch; > > > > > + set_notify_resume(current); > > > > > + } > > > > > break; > > > > > } > > > > > } while ((memcg = parent_mem_cgroup(memcg))); > > > > > > > > > Should I send an official patch for this? > > > > I prefer to keep it as is while we have no better solution. Fine with me. -- Michal Hocko SUSE Labs