On 2/11/20 2:38 PM, Kirill Tkhai wrote: > Leaving mem_cgroup_iter() loop requires mem_cgroup_iter_break(). > > Fixes: bf8d5d52ffe8 "memcg: introduce memory.min" > Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx> > --- > mm/vmscan.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/mm/vmscan.c b/mm/vmscan.c > index b1863de475fb..f6efe2348ba3 100644 > --- a/mm/vmscan.c > +++ b/mm/vmscan.c > @@ -2653,8 +2653,9 @@ static void shrink_node_memcgs(pg_data_t *pgdat, struct scan_control *sc) > continue; > } > memcg_memory_event(memcg, MEMCG_LOW); > - break; It is not cycle break, it is switch/case break. > + /* fallthrough */ > case MEMCG_PROT_NONE: > + mem_cgroup_iter_break(target_memcg, memcg); > /* > * All protection thresholds breached. We may > * still choose to vary the scan pressure > >