[PATCH bpf-next] mm: drop mem_cgroup_usage() declaration from memcontrol.h

[Roman Gushchin]

mem_cgroup_usage() is not used outside of memcg-v1 code,
the declaration was added by a mistake.

Signed-off-by: Roman Gushchin <roman.gushchin@xxxxxxxxx>
---
 include/linux/memcontrol.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 6a5d65487b70..229ac9835adb 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -950,7 +950,6 @@ static inline void mod_memcg_page_state(struct page *page,
 }
 
 unsigned long memcg_events(struct mem_cgroup *memcg, int event);
-unsigned long mem_cgroup_usage(struct mem_cgroup *memcg, bool swap);
 unsigned long memcg_page_state(struct mem_cgroup *memcg, int idx);
 unsigned long memcg_page_state_output(struct mem_cgroup *memcg, int item);
 bool memcg_stat_item_valid(int idx);
-- 
2.52.0