1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 04f2f33607e9..4d31ce55b1c0 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -837,6 +837,15 @@ static inline unsigned short mem_cgroup_id(struct mem_cgroup *memcg)
 }
 struct mem_cgroup *mem_cgroup_from_id(unsigned short id);
 
+#ifdef CONFIG_SHRINKER_DEBUG
+static inline unsigned long mem_cgroup_ino(struct mem_cgroup *memcg)
+{
+	return memcg ? cgroup_ino(memcg->css.cgroup) : 0;
+}
+
+struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino);
+#endif
+
 static inline struct mem_cgroup *mem_cgroup_from_seq(struct seq_file *m)
 {
 	return mem_cgroup_from_css(seq_css(m));
@@ -1343,6 +1352,18 @@ static inline struct mem_cgroup *mem_cgroup_from_id(unsigned short id)
 	return NULL;
 }
 
+#ifdef CONFIG_SHRINKER_DEBUG
+static inline unsigned long mem_cgroup_ino(struct mem_cgroup *memcg)
+{
+	return 0;
+}
+
+static inline struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino)
+{
+	return NULL;
+}
+#endif
+
 static inline struct mem_cgroup *mem_cgroup_from_seq(struct seq_file *m)
 {
 	return NULL;