1 files changed, 22 insertions, 34 deletions

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 3427de9897a5..91b5d3a62059 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5369,45 +5369,33 @@ static int mem_cgroup_move_charge_write(struct cgroup_subsys_state *css,
 static int memcg_numa_stat_show(struct cgroup_subsys_state *css,
                                 struct cftype *cft, struct seq_file *m)
 {
+        struct numa_stat {
+                const char *name;
+                unsigned int lru_mask;
+        };
+
+        static const struct numa_stat stats[] = {
+                { "total", LRU_ALL },
+                { "file", LRU_ALL_FILE },
+                { "anon", LRU_ALL_ANON },
+                { "unevictable", BIT(LRU_UNEVICTABLE) },
+        };
+        const struct numa_stat *stat;
         int nid;
-        unsigned long total_nr, file_nr, anon_nr, unevictable_nr;
-        unsigned long node_nr;
+        unsigned long nr;
         struct mem_cgroup *memcg = mem_cgroup_from_css(css);
 
-        total_nr = mem_cgroup_nr_lru_pages(memcg, LRU_ALL);
-        seq_printf(m, "total=%lu", total_nr);
-        for_each_node_state(nid, N_MEMORY) {
-                node_nr = mem_cgroup_node_nr_lru_pages(memcg, nid, LRU_ALL);
-                seq_printf(m, " N%d=%lu", nid, node_nr);
-        }
-        seq_putc(m, '\n');
-
-        file_nr = mem_cgroup_nr_lru_pages(memcg, LRU_ALL_FILE);
-        seq_printf(m, "file=%lu", file_nr);
-        for_each_node_state(nid, N_MEMORY) {
-                node_nr = mem_cgroup_node_nr_lru_pages(memcg, nid,
-                                LRU_ALL_FILE);
-                seq_printf(m, " N%d=%lu", nid, node_nr);
-        }
-        seq_putc(m, '\n');
-
-        anon_nr = mem_cgroup_nr_lru_pages(memcg, LRU_ALL_ANON);
-        seq_printf(m, "anon=%lu", anon_nr);
-        for_each_node_state(nid, N_MEMORY) {
-                node_nr = mem_cgroup_node_nr_lru_pages(memcg, nid,
-                                LRU_ALL_ANON);
-                seq_printf(m, " N%d=%lu", nid, node_nr);
+        for (stat = stats; stat < stats + ARRAY_SIZE(stats); stat++) {
+                nr = mem_cgroup_nr_lru_pages(memcg, stat->lru_mask);
+                seq_printf(m, "%s=%lu", stat->name, nr);
+                for_each_node_state(nid, N_MEMORY) {
+                        nr = mem_cgroup_node_nr_lru_pages(memcg, nid,
+                                                          stat->lru_mask);
+                        seq_printf(m, " N%d=%lu", nid, nr);
+                }
+                seq_putc(m, '\n');
         }
-        seq_putc(m, '\n');
 
-        unevictable_nr = mem_cgroup_nr_lru_pages(memcg, BIT(LRU_UNEVICTABLE));
-        seq_printf(m, "unevictable=%lu", unevictable_nr);
-        for_each_node_state(nid, N_MEMORY) {
-                node_nr = mem_cgroup_node_nr_lru_pages(memcg, nid,
-                                BIT(LRU_UNEVICTABLE));
-                seq_printf(m, " N%d=%lu", nid, node_nr);
-        }
-        seq_putc(m, '\n');
         return 0;
 }
 #endif /* CONFIG_NUMA */