This patch exports mem_cgroup_put API to put the refcnt of the memory
cgroup.
Signed-off-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
---
include/linux/memcontrol.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index c46016bb25eb..0da79e116a07 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -344,6 +344,11 @@ struct mem_cgroup *mem_cgroup_from_css(struct cgroup_subsys_state *css){
return css ? container_of(css, struct mem_cgroup, css) : NULL;
}
+static inline void mem_cgroup_put(struct mem_cgroup *memcg)
+{
+ css_put(&memcg->css);
+}
+
#define mem_cgroup_from_counter(counter, member) \
container_of(counter, struct mem_cgroup, member)
@@ -789,6 +794,10 @@ static inline bool task_in_mem_cgroup(struct task_struct *task,
return true;
}
+static inline void mem_cgroup_put(struct mem_cgroup *memcg)
+{
+}
+
static inline struct mem_cgroup *
mem_cgroup_iter(struct mem_cgroup *root,
struct mem_cgroup *prev,
--
2.16.2.395.g2e18187dfd-goog
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