mm: clean up and clarify lruvec lookup procedure

[platform/kernel/linux-rpi.git] / mm / vmscan.c

diff --git a/mm/vmscan.c b/mm/vmscan.c
index cb2ff39..93e02d2 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2549,7 +2549,7 @@ out:
 static void shrink_node_memcg(struct pglist_data *pgdat, struct mem_cgroup *memcg,
                              struct scan_control *sc)
 {
-       struct lruvec *lruvec = mem_cgroup_lruvec(pgdat, memcg);
+       struct lruvec *lruvec = mem_cgroup_lruvec(memcg, pgdat);
        unsigned long nr[NR_LRU_LISTS];
        unsigned long targets[NR_LRU_LISTS];
        unsigned long nr_to_scan;
@@ -3027,7 +3027,7 @@ static void snapshot_refaults(struct mem_cgroup *root_memcg, pg_data_t *pgdat)
                unsigned long refaults;
                struct lruvec *lruvec;
 
-               lruvec = mem_cgroup_lruvec(pgdat, memcg);
+               lruvec = mem_cgroup_lruvec(memcg, pgdat);
                refaults = lruvec_page_state_local(lruvec, WORKINGSET_ACTIVATE);
                lruvec->refaults = refaults;
        } while ((memcg = mem_cgroup_iter(root_memcg, memcg, NULL)));
@@ -3387,7 +3387,7 @@ static void age_active_anon(struct pglist_data *pgdat,
 
        memcg = mem_cgroup_iter(NULL, NULL, NULL);
        do {
-               struct lruvec *lruvec = mem_cgroup_lruvec(pgdat, memcg);
+               struct lruvec *lruvec = mem_cgroup_lruvec(memcg, pgdat);
 
                if (inactive_list_is_low(lruvec, false, sc, true))
                        shrink_active_list(SWAP_CLUSTER_MAX, lruvec,