mm: memcg: add swapcache stat for memcg v2

[platform/kernel/linux-starfive.git] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 5435b37..58edfb6 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1521,6 +1521,9 @@ static const struct memory_stat memory_stats[] = {
        { "file_mapped",                NR_FILE_MAPPED                  },
        { "file_dirty",                 NR_FILE_DIRTY                   },
        { "file_writeback",             NR_WRITEBACK                    },
+#ifdef CONFIG_SWAP
+       { "swapcached",                 NR_SWAPCACHE                    },
+#endif
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
        { "anon_thp",                   NR_ANON_THPS                    },
        { "file_thp",                   NR_FILE_THPS                    },