diff --git a/mm/vmscan.c b/mm/vmscan.c index d2aabf05db50..e94922e64893 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2669,6 +2669,7 @@ static struct lruvec *get_lruvec(struct mem_cgroup *memcg, int nid) static int get_swappiness(struct lruvec *lruvec, struct scan_control *sc) { + int swappiness; struct mem_cgroup *memcg = lruvec_memcg(lruvec); struct pglist_data *pgdat = lruvec_pgdat(lruvec); @@ -2679,7 +2680,10 @@ static int get_swappiness(struct lruvec *lruvec, struct scan_control *sc) mem_cgroup_get_nr_swap_pages(memcg) < MIN_LRU_BATCH) return 0; - return sc_swappiness(sc, memcg); + swappiness = sc_swappiness(sc, memcg); + trace_android_vh_tune_swappiness(&swappiness); + + return swappiness; } static int get_nr_gens(struct lruvec *lruvec, int type)