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-rw-r--r--mm/vmscan.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index b0970769b100..43289f5f8488 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -524,8 +524,13 @@ static long add_nr_deferred(long nr, struct shrinker *shrinker,
static bool can_demote(int nid, struct scan_control *sc)
{
- if (sc && sc->no_demotion)
- return false;
+ if (sc) {
+ if (sc->no_demotion)
+ return false;
+ /* It is pointless to do demotion in memcg reclaim */
+ if (cgroup_reclaim(sc))
+ return false;
+ }
if (next_demotion_node(nid) == NUMA_NO_NODE)
return false;