[Hillf, your email client or workflow mangles emails. In this case you are seem to be reusing the message id from the email you are replying to which confuses my email client to assume your email is a duplicate.] On Fri 02-08-19 16:08:01, Hillf Danton wrote: [...] > --- a/mm/memcontrol.c > +++ b/mm/memcontrol.c > @@ -2547,8 +2547,12 @@ retry: > nr_reclaimed = try_to_free_mem_cgroup_pages(mem_over_limit, nr_pages, > gfp_mask, may_swap); > > - if (mem_cgroup_margin(mem_over_limit) >= nr_pages) > - goto retry; > + if (mem_cgroup_margin(mem_over_limit) >= nr_pages) { > + if (nr_retries--) > + goto retry; > + /* give up charging memhog */ > + return -ENOMEM; > + } Huh, what? You are effectively saying that we should fail the charge when the requested nr_pages would fit in. This doesn't make much sense to me. What are you trying to achive here? -- Michal Hocko SUSE Labs