Messages in this thread | | | Date | Wed, 2 May 2018 09:38:32 -0400 | From | Johannes Weiner <> | Subject | Re: [PATCH v2] mm: introduce memory.min |
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On Tue, Apr 24, 2018 at 02:54:15PM +0100, Roman Gushchin wrote: > From: Roman Gushchin <guro@fb.com> > Date: Tue, 24 Apr 2018 14:44:14 +0100 > Subject: [PATCH] mm: ignore memory.min of abandoned memory cgroups > > If a cgroup has no associated tasks, invoking the OOM killer > won't help release any memory, so respecting the memory.min > can lead to an infinite OOM loop or system stall. > > Let's ignore memory.min of unpopulated cgroups.
Good point, this makes sense.
> Signed-off-by: Roman Gushchin <guro@fb.com> > Cc: Johannes Weiner <hannes@cmpxchg.org> > Cc: Michal Hocko <mhocko@suse.com> > Cc: Vladimir Davydov <vdavydov.dev@gmail.com> > Cc: Tejun Heo <tj@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
> @@ -2549,8 +2549,11 @@ static bool shrink_node(pg_data_t *pgdat, struct scan_control *sc) > /* > * Hard protection. > * If there is no reclaimable memory, OOM. > + * Abandoned cgroups are loosing protection,
losing
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